First-hand experience
In publishing and in manuscript review.
PhD Biostatistician · Colombia · Latin America
Biostatistician PhD: expert statistical consulting to get your health research published — across Latin America.
Turn your data into solid, publishable results. I support physicians, clinics, and researchers in Latin America, the United States, and Canada with rigorous analysis, applied machine learning in health, and expert support for theses and scientific articles.
- Recognized by Minciencias
- Author of Q1 journal articles
- Colombia · Latin America · Remote
ML & Models applied to health
10+
years in health data analysis
20+
published articles (mostly Q1)
5
software: R · SPSS · Python · STATA · Statgraphics
PhD
Doctor in Natural Sciences (Statistics)
Data updated September 2026.
Mentorship, not ghostwriting
I don't write your article: I guide you so you publish it.
I work as a research mentor: with methodological and statistical direction, real experience in publishing and manuscript review, and the goal that you learn a process you can repeat in your next article.
Dr. Luis Ángel Anillo ArrietaBiostatistician PhD · Researcher recognized by Minciencias
Work with me
Mentorship in scientific publication
A research mentor dedicated solely to you, whether you are working on your thesis or want to research and publish. I work closely with you, step by step, from your first idea to submission, with methodological and statistical direction and the experience of someone who has published and is a reviewer for Q1 journals.
Q1 rigor
Methodological and statistical standard of a first-quartile journal.
You learn the process
A method you can repeat in your next article.
This is for you if you are
- A resident or medical specialist who needs to publish
- A master's or PhD student
- Faculty who want to research and publish
Three ways to work with me
Start where you are. You can take the whole process, a single stage or a one-off service.
Full process
I guide you from idea to submission, like a personal mentor: you define the question, we build the protocol, we analyze the data, you write the manuscript under my direction and we submit it to the right journal.
I want the full processBy stage
Already made progress? You take only the stage you're missing, for example the statistical analysis or the submission. Each stage is paid when it starts.
Choose my stageOne-off service
A specific need with a defined scope and deliverable: an analysis plan, a sample size, the results of your study or the response to reviewers.
See servicesFrom idea to submission, in five stages
Applies to different study types: systematic reviews, observational studies, clinical trials and instrument validation, among others.
-
Research idea and question
Problem definition, question (PICO/PECO when applicable), rationale and a preliminary feasibility review.
Request this stage -
Protocol and methodological design
Study type, population and sample, variables, instruments, analysis plan, ethical aspects and registration when applicable.
Request this stage -
Statistical analysis
Database cleaning, descriptive and inferential analysis, models and presentation of results in tables and figures.
Request this stage -
Manuscript writing
Guidance on writing each section, consistency across objectives, methods, results and conclusions, and adherence to reporting guidelines (STROBE, CONSORT, PRISMA, among others).
Request this stage -
Journal submission
Journal selection, cover letter to the editor, responses to reviewers and adjustments for resubmission.
Request this stage
Need something specific?
Focused services to solve a specific part of your research.
Statistical analysis plan
I define the right tests and models for your objectives and variables, written up for the protocol or the ethics committee.
Sample size calculation
I estimate the sample size your design requires and deliver the justification ready for the protocol.
Results analysis
From your database to article-ready tables and figures: cleaning, descriptive and inferential analysis, and models.
Statistical review of the manuscript
I review methods, results and consistency with the conclusions before you submit, to anticipate what reviewers would flag.
Response to reviewers
We resolve the methodological and statistical comments and draft the responses for resubmission.
Meta-analysis
Quantitative synthesis for your systematic review: models, heterogeneity, publication bias and forest plots.
Instrument validation
Reliability, validity and factor structure of scales and questionnaires.
1:1 hourly consulting
A session to resolve specific questions about your design, analysis or manuscript.
You don't need to hire everything. You can take the full process, only the stage you're missing or a one-off service. Each stage is paid when it starts, and the full process costs less than hiring the stages separately.
Consulting tailored to you
Tell me what you need and I'll reply personally
Fill out this short form and get guidance on the analysis or publication stage your research needs most. No obligation.
- Direct reply from Dr. Anillo, no middlemen
- Take the full process, a single stage or a one-off service
- Methodological rigor at Q1 journal standard
Why it matters
Biostatistics and epidemiological analysis determine whether your study gets published or rejected.
In medical and clinical research, good data poorly analyzed is worthless. High-impact journals demand correct methods: the right design, the appropriate statistical test, well-specified models, and rigorously interpreted results.
Health statistics (or biostatistics) translates your data into evidence: it measures associations, controls for bias, models risks, and predicts outcomes. It is the difference between a returned manuscript and an accepted article in a Q1 journal.
Epidemiological analysis identifies risk factors, measures disease frequency, and evaluates the effectiveness of public health interventions. With the correct techniques — logistic regression, survival models, spatial analysis — your study will contribute solid evidence to the field.
Services
How can I help you?
Expert support at every stage of your research, from raw data to publication.
Have data but unsure how to analyze it? We define the design, the correct test, and the model your study needs — from observational studies to clinical trials.
- Statistical analysis plan
- Hypothesis tests and regression models
- Clear interpretation of results
- Epidemiological and public health analyses
- Validation of psychological scales and instruments
Methodological support so your thesis has a solid statistical foundation, defensible before any committee.
- Methodological and sample design
- Advanced data analysis
- Results and discussion writing
Machine learning algorithms to predict clinical outcomes, model diseases, and discover patterns in your health data.
- Predictive and classification models
- Chronic and infectious disease modeling
- Health economic evaluations
Transform your data into clear visualizations and maps that communicate territorial patterns in health and epidemiology.
- Dashboards and charts for publications
- Interactive Power BI dashboards
- Disease geographic distribution maps
- Spatial analysis of health indicators
Full editorial support: from analysis to reviewer responses, so your article reaches high-impact journals.
- Scientific structure and writing
- Journal selection and formatting
- Reviewer comment responses
Who it's for
I work with those who research in health
You have clinical data and publish articles, but need to ensure the analysis is correct and impactful.
You're conducting research in your clinical field and need rigorous statistical analysis for your publication or project.
You need to validate a psychological scale or instrument: factor analysis, reliability, and evidence of validity.
Your degree project or mandatory research requires statistical analysis and you don't know where to start.
Master's or PhD in health, epidemiology, or sciences: your thesis needs advanced statistics done right.
You lead a research group and seek expert consulting to publish in high-impact journals.
Your team conducts internal studies and wants to publish institutional articles with reliable statistical backing.
Don't see yourself on the list?
If your project involves health data, let's talk. Tell me your case with no commitment.
Get in touch →
University Teaching · Graduate Level
About me
Luis Ángel Anillo Arrieta
PhD in Natural Sciences with a research focus in Statistics, Master's in Applied Statistics, and Economist. Data analyst, researcher, and university professor.
In recent years I have focused on chronic and infectious disease modeling, health economic evaluations, and the application of machine learning algorithms to health data. I have extensive expertise in database management and in the analysis and formulation of research projects.
- Economist
- Master's in Applied Statistics
- PhD in Natural Sciences (Health Statistics)
- Researcher recognized by Minciencias (Colombia's national science agency)
Software:
R
SPSS
Python
STATA
Statgraphics
How we work
A clear process, from data to publication
-
Contact
You reach out via WhatsApp or the contact form and tell me about your project and goals.
-
Diagnosis
We review your data and design. I propose an analysis plan with a clear scope.
-
Analysis
I carry out the statistical or machine learning analysis with rigor and reproducibility.
-
Delivery & publication
You receive interpreted results and, if you wish, I accompany you all the way to publication.
Why a biostatistician?
Benefits of hiring a biostatistics expert for your research
Hiring a biostatistics consultant ensures your study meets the standards required by scientific journals and ethics committees.
Correct design from the start
Avoid methodological errors that lead to rejection in high-impact journals.
Adequate sample size
Ensures the statistical power needed for reliable results.
Appropriate statistical tests
Correct selection based on data type, distribution, and study objectives.
Confounder control
Well-specified regression models that eliminate bias from your results.
Reviewer responses
Solid technical arguments for statistical comments from peer reviewers.
Reproducible rigor
Documented code in R, Python, STATA, or SPSS that can be verified and replicated.
Coverage
Statistical consulting for Latin America, United States & Canada
I offer health statistics consulting services fully remotely. I work with physicians, graduate students, and research groups in Colombia (Barranquilla, Bogotá, Medellín, Cali, Bucaramanga), Latin America (Mexico, Venezuela, Peru, Ecuador, Argentina, Chile, and more), and for researchers in the United States and Canada working with health data in Spanish.
Recognition & publications
Verifiable scientific track record
Researcher recognized by Minciencias and author of multiple articles in scientific journals, several in the first quartile (Q1).
Minciencias
Recognized researcher Q1
First-quartile journals UNAD
Research professor
Recognized researcher Q1
First-quartile journals UNAD
Research professor
- Q1 An Anonymized Geospatial Dengue Surveillance Dataset for Risk Stratification: A Municipality–Year Analytical Resource for Unsupervised Clustering. Data (MDPI) · 2026 Read article →
- Q1 Comparative evaluation of ASCVD, SCORE-2, and HEARTS risk scores in Colombian adults at risk of type 2 diabetes. Frontiers in Cardiovascular Medicine · 2025 Read article →
- Q1 Determinants of glycemic control in primary care: population analysis in patients with type 2 diabetes. Primary Care Diabetes · 2025 Read article →
- Q1 Factors associated with therapeutic adherence in diabetes: a multicenter study in the Latin American context. Primary Care Diabetes · 2024 Read article →
- Q1 Longitudinal health survey of women from Venezuela in Colombia (ELSA-VENCOL): First report. PLOS ONE · March 2023 Read article →
- Q1 Glycemic status and health-related quality of life (HRQOL) in populations at risk of diabetes in two Latin American cities. Quality of Life Research · 2023 Read article →
- Q1 Health-related quality of life (HRQoL) in a population at risk of type 2 diabetes: a cross-sectional study in two Latin American cities. Health and Quality of Life Outcomes · 2021 Read article →
Frequently asked questions
Before getting started
Can I work with you if I already have my data collected?
Yes. I work both from the study design stage and with databases that have already been collected. I review the data quality and propose the appropriate analysis.
Which software do you use for the analyses?
Whatever you need: R, SPSS, Python, STATA or Statgraphics. I deliver reproducible results and, if you wish, the documented code.
Do you serve all of Colombia?
Yes. I work remotely with researchers, clinics and students in Bogotá, Medellín, Cali, Barranquilla, Bucaramanga and across the whole country.
How long does an analysis take?
It depends on the scope. After reviewing your project I give you a clear time estimate before we start, with no surprises.
Do you guarantee that my article will be published?
I wish I could promise it! The reality is that acceptance depends on each journal and its reviewers. What I do guarantee is close support, rigorous analysis and all my experience so that your work has the best chances of being published in a high-impact journal.
Do you perform epidemiological analysis and public health studies?
Yes. I work with all kinds of epidemiological studies: cohort, case-control, cross-sectional and clinical trials. I apply logistic regression, survival models, spatial analysis and public health impact evaluations. If your study involves epidemiological or population health data, I can help you from design to final analysis.
Do you work with researchers from other Latin American countries, the United States or Canada?
Yes. I work fully remotely with researchers across Latin America —Mexico, Venezuela, Peru, Ecuador, Argentina, Chile and more— as well as Spanish-speaking researchers in the United States and Canada. Communication is via WhatsApp or video call, and deliverables are digital.
How do I choose a good biostatistics consultant for my health project?
The keys to choosing a health statistics consultant are: doctoral training in statistics or biostatistics, experience publishing in high-impact journals, command of specialized software (R, STATA, SPSS, Python) and the ability to explain results clearly. Verify their ORCID, their Q1 publications and whether they are recognized by a scientific body such as Minciencias. A good consultant supports you through the whole process, not just the calculation.
What types of health data can you analyze?
I work with data from clinical trials, population health surveys, electronic patient records, administrative databases (RIPS, DANE, ENDS surveys), public health data and geospatial disease data. If you have a specific type of data, tell me your case and we will define the best statistical approach together.
Do you offer statistical consulting in SPSS, R or Python for theses?
Yes. I work with SPSS, R, Python, STATA and Statgraphics depending on what you use or prefer to learn. If your university requires specific software, I adapt the analysis to that tool and deliver documented, reproducible code.
Do you work with nursing, psychology or dentistry theses?
Yes. Besides medicine, I support theses and research projects in nursing, psychology, dentistry and other health disciplines, including the validation of psychological scales and instruments.
What is the difference between a statistician and a biostatistician?
A general statistician masters the mathematical methods of data analysis. A biostatistician applies those methods specifically to health questions: clinical trial design, confounder control, epidemiological analysis and the standards required by ethics committees and medical journals. That is why many health journals ask for the analysis to be reviewed by a biostatistician.
How is the sample size calculated for a study or clinical trial?
Sample size depends on the effect you want to detect, the variability of your data, the significance level and the desired statistical power (typically 80-90%). The calculation changes depending on whether it is a prevalence study, a clinical trial, a case-control study or a regression analysis. As part of the consulting, I do this calculation with the right formula and software for your specific design and explain how to justify it to your ethics committee or reviewer.
What are the benefits of hiring a biostatistical consultant for clinical trials?
A biostatistical consultant ensures your clinical trial is correctly designed from the start — preventing methodological errors that lead to journal rejection. Key benefits include: appropriate sample size calculation for statistical power, correct hypothesis tests for your data type, well-specified regression models that control confounders, reproducible analysis in R/Python/STATA, and expert responses to statistical reviewers' comments.
How do I get expert statistical advice for a medical study or health research project?
Contact Dr. Anillo via WhatsApp or email to describe your project. After an initial free diagnostic review, you'll receive a clear analysis plan and scope. Services cover study design, statistical analysis, data visualization, epidemiological modeling, and scientific publication support from data to Q1 journal submission.
Where can I find a biostatistician specializing in health data for Latin America?
Dr. Luis Ángel Anillo Arrieta (ORCID: 0000-0002-3136-7636, Minciencias-recognized researcher) offers remote biostatistics consulting to researchers across Colombia, Mexico, Peru, Venezuela, Argentina, Chile, and to Spanish-speaking health researchers in the United States and Canada. Proficient in R, Python, SPSS, STATA, and Statgraphics.
Contact
Tell me about your project
I respond personally. The fastest way is WhatsApp, but you can also leave your details and I will get back to you.