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Comparisons of the rate of type-B, type-S, and venous type leakage between IVC group and control group
| Leakage type | IVC group (n = 139) |
Control group (n = 139) |
χ2 | P |
|---|---|---|---|---|
| Type-B-no, (%) | 29 (20.9%) | 44 (31.7%) | 4.180 | 0.041 |
| Type-S-no, (%) | 34 (24.5%) | 73 (52.5%) | 23.110 | 0.000 |
| Venous type-no, (%) | 52 (37.4%) | 94 (67.6%) | 25.446 | 0.000 |
IVC intravertebral cleft
