Table 2 Comparison of surgery and postoperative complications of the two groups
The elective cervical cerclage group(n = 150) | The emergency cervical cerclage group(n = 96) | t/Z/Chi-square value | P value | |
|---|---|---|---|---|
The gestational age at operation(w) | 16.43(15.43, 17.57) | 22.29(17.29, 24.43) | 8.245 | 0.000 |
The operation duration(min) | 28.13 ± 9.86 | 28.69 ± 10.74 | -0.420 | 0.675 |
The length of hospitalization(d) | 5.00(5.00, 7.00) | 6.00(5.00, 7.00) | 2.962 | 0.003 |
The intraoperative blood loss(ml) | 7.72 ± 6.86 | 7.71 ± 5.10 | 0.014 | 0.989 |
The postoperative vaginal infection rate (n%) | 4(2.7%) | 1(1.0%) | 1.170 | 0.651 |
The postoperative abnormal vaginal bleeding rate (n%) | 7(4.7%) | 4(4.2%) | 0.443 | 0.853 |
The postoperative premature rupture rate (n%) | 2(1.3%) | 6(6.3%) | 4.498 | 0.059 |