Table 1 Comparison of demographic properties
Research group | Control group | Statistical value | P value | |
|---|---|---|---|---|
Age (years)a | 62.5 ± 15.3 | 61.7 ± 15.1 | t = 0.398 | 0.691 |
Male/female | 85/9 | 83/12 | χ2 = 0.447 | 0.504 |
BMI (Kg/m2) | 23.5 (22.6,23.9) | 23.2 (22.7,23.8) | z = − 0.804 | 0.421 |
Type of hernia | χ2 = 4.435 | 0.218 | ||
Indirect | 113 | 105 | ||
Direct | 57 | 74 | ||
Femoral | 5 | 4 | ||
Multiple | 13 | 7 | ||
Maximum diameter of hernia sac (cm)b | 4.0 (3.0,5.5) | 4.0 (3.0,5.0) | z = − 0.098 | 0.922 |