Interactive Public Health Toolsuite
Epidemiology, Biostatistics & Child Health Calculators
Field-ready computational tools for researchers, BPH/MPH postgraduates, clinical officers, and public health coordinators in Nepal and the SEAR region.
2×2 Contingency Table Input
Enter counts from your Cohort, Case-Control, or Cross-Sectional study:
| Exposure Status | Disease (+) / Cases | Disease (-) / Controls | Total |
|---|---|---|---|
| Exposed (+) | 70 | ||
| Unexposed (-) | 100 | ||
| Total | 60 | 110 | N = 170 |
Epidemiological Risk Estimates
Odds Ratio (OR)
10.20
Primary metric for Case-Control studies ($ad / bc$)
Relative Risk (RR)
4.29
Primary metric for Cohort studies ($I_e / I_u$)
Attributable Risk (AR)
49.3%
Excess risk due to exposure
Chi-Square ($\chi^2$)
43.80
p < 0.05 (Statistically Significant)
Formal Epidemiological Interpretation:
Individuals with exposure have 10.20 times the odds (or 4.29 times higher risk) of developing the disease compared to non-exposed individuals.