Table 4 Comparisons of the rate of leakage in general between IVC group and control group
|  | IVC group (n = 139) | Control group (n = 139) | χ2 | P |
|---|---|---|---|---|
Leakage in general-no, (%) | 94 (67.6%) | 106 (76.3%) | 2.566 | 0.109 |
|  | IVC group (n = 139) | Control group (n = 139) | χ2 | P |
|---|---|---|---|---|
Leakage in general-no, (%) | 94 (67.6%) | 106 (76.3%) | 2.566 | 0.109 |