Table 2 Incidence of anal fissure (cases/1000 person-years) stratified by age group and sex
From: The epidemiology and treatment of anal fissures in a population-based cohort
Age group | Pooled incidence | P† | Male incidence | Female incidence | P†† |
|---|---|---|---|---|---|
6-11 | 0.49 | *** | 0.44 | 0.54 | |
12-17 | 0.52 | *** | 0.24 | 0.80 | *** |
18-24 | 1.47 | 0.96 | 1.78 | *** | |
25-34 | 1.76 | 1.76 | 1.76 | ||
35-44 | 1.46 | 1.62 | 1.34 | ||
45-54 | 1.25 | ** | 1.29 | 1.22 | |
55-64 | 1.31 | * | 1.51 | 1.13 | *** |
65+ | 1.01 | *** | 1.17 | 0.88 | |
Total | 1.10 | 1.04 | 1.14 |