CI for absolute risk for binary outcomes — calculate_diff

Derive mean difference and associated confidence intervals for binary outcomes

calculate_diff_bin(prop1, prop2, N1, N2, cl = 0.95)

Arguments

prop1: (numeric)
Proportion of cases in active treatment
prop2: (numeric)
Proportion of cases in comparator treatment
N1: (numeric)
Total number of subjects in active treatment
N2: (numeric)
Total number of subjects in comparator treatment
cl: (numeric)
confidence level

Examples

calculate_diff_bin(
  prop1 = .45, prop2 = 0.25, N1 = 500, N2 = 500,
  cl = 0.95
)
#> [2025-02-12 02:27:09] >
#> absolute risk CI for binary outcomes is calculated and saved
#>   diff         se     lower     upper
#> 1  0.2 0.02949576 0.1421894 0.2578106