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Comparisons of the rate of type-C, type-D and cortical type leakage between IVC group and control group
| Leakage type | IVC group (n = 139) |
Control group (n = 139) |
χ2 | P |
|---|---|---|---|---|
| Type-C-no, (%) | 36 (25.9%) | 17 (12.2%) | 8.416 | 0.004 |
| Type-D-no, (%) | 23 (16.5%) | 9 (6.5%) | 6.922 | 0.009 |
| Cortical type-no, (%) | 56 (40.3%) | 23 (16.5%) | 19.257 | 0.000 |
IVC intravertebral cleft
