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Study Design & Methods
Research questions, study design, variable selection, sample-size and power calculations, statistical methods, and analysis planning.
Independent research consulting
Epidemiology & Biostatistics for Health and Clinical Research
Methodologically careful, publication-oriented support for investigators, clinicians, research groups and healthcare organizations—from study design and data review to statistical analysis and manuscript-ready results.
Study DesignResearch questions, variables, methods, and analytical planning
Statistical AnalysisMethodologically appropriate and reproducible analytical workflows
Publication SupportTables, results interpretation, and manuscript review
Services
Focused support across the research lifecycle
Services are scoped to the needs of each study rather than sold as generic “data analysis.”
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Questionnaire & Data Collection
Questionnaire development and review, question and response-option design, data-collection planning, and methodological guidance for effective data collection.
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Data Review & Cleaning
Dataset organization, coding checks, duplicate and missing-data review, data validation, and preparation of analysis-ready data.
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Biostatistical Analysis
Descriptive and inferential statistics, group comparisons, association and correlation analyses, and regression modeling.
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Publication-Ready Results
Methods-section support, clear statistical tables, manuscript-ready Results sections, concise interpretation, and support responding to reviewer comments.
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Independent Research Review
Independent review of study design, analytical approach, consistency between analyses and reported results, interpretation of findings, and clarity and completeness of research reporting.
About
Health and Clinical Research with Methodological Depth
Sangasara Research & Analytics provides epidemiology and biostatistics consulting for health, clinical, epidemiological, and population-health research. Support includes study design, epidemiological methods, data analysis, interpretation of results, and manuscript development, with an emphasis on methodologically sound and publication-ready research.
The goal is not to produce statistical output for its own sake. Each engagement is built around a defensible analytical approach, transparent reporting and results that investigators can confidently use in manuscripts, reports and presentations.
Medical and clinical research
Population-health research
Epidemiological studies
Questionnaire and data-collection design
Data analysis
Manuscript review
Representative analytical work
Examples of the research problems we address
Examples are presented in anonymized form to protect research and client confidentiality.
Coronary artery disease trends study
Analysis of long-term clinical and cardiovascular trends in a hospital-based patient dataset.
- Descriptive and time-trend analyses
- Group comparisons across study periods
- Multivariable logistic regression
- Adjusted odds ratios and 95% confidence intervals
- Publication-ready tables and forest plot
Awareness and knowledge study
Analysis of questionnaire-based awareness data among early-career dental professionals.
- Data cleaning and duplicate review
- Descriptive statistics and scale scoring
- Cronbach’s alpha
- Non-parametric subgroup comparisons
- Publication-ready tables and results
From dataset to manuscript-ready results
End-to-end support for investigators who have collected data but need a defensible statistical workflow.
- Analysis planning
- Variable and coding review
- Inferential testing
- Statistical table development
- Results-section review
IBM SPSS StatisticsDescriptive statisticsChi-square / Fisher’s exactt tests / ANOVAMann–Whitney / Kruskal–WallisCorrelation & associationLinear regressionLogistic regressionSurvival analysisPublication tables
Project-based consulting
Discuss a Project
Need additional analytical capacity?
Support is available for independent projects, secondary analyses, manuscript-related statistical work, and collaborative research assignments.
Contact
Tell us about your study
A useful first message includes the study objectives, study design, approximate sample size, current stage of the study, expected deliverables, and desired timeline.
Emailnaqeeb@sangasara.com
Consulting focusHealth, clinical, epidemiological, and population-health research
EngagementsProject-based consulting, statistical review and research support
Please do not send identifiable patient information or protected health information by ordinary email. Initial discussions can be conducted using de-identified study summaries.