## Biostatistics Assignment Help

Following is the list of comprehensive topics in which we offer quality solutions:

### Probability in Health and Medicine

- Medical uncertainties and probability
- Elementary laws of probability
- Bayes' Rule
- Sensitivity-specificity of a medical test
- Positive and negative predictive value
- Effect of prevalence

### Confidence Intervals

- Sampling distributions and SEs
- Large sample CI for one-sample mean and proportion
- Exact CI for proportion and median
- Large sample CI for differences between means and proportions
- The sample size for estimation

### Statistical vs. Medical Significance

- P-value and level of significance
- The concept of statistical power
- Medical vs. statistical significance
- The sample size for significance and power analysis
- Chi-square test for simple situations

### Some Statistical Tests for Quantitative Data

- Student's t-test for one-sample and two-sample situations
- ANOVA for one-way and two-way tables
- Tukey test and Bonferroni procedures for multiple comparisons
- Test for medically significant gain and equivalence test

### Introduction to Designs for Clinical Trials

- Control group
- Randomization and matching
- Blinding and masking
- One-way, two-way, and repeated measures designs
- Cross-over design

### ROC Curves

- Review of sensitivity-specificity
- Serial and parallel tests
- ROC curve
- Predictivity-based ROC curve
- Clinical gains from a test

### Relative Risk (RR) and Odds Ratio (OR)

- Definitions and applicability of RR and OR
- CI and test of hypothesis for RR
- CI and test of hypothesis for attributable risk
- CI and test of hypothesis for OR

### Introductory Survival Analysis

- Censored durations and need for special methods
- Life table method
- Kaplan-Meier method

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