Table 2.
Obstetric and neonatal outcomes
| Thicker suture (Mersilene tape) n=120 | Thinner suture (Ethibond/Prolene) n=83 | p-value | |
|---|---|---|---|
| Latency between cerclage and delivery (weeks) | 21.7 (17.7, 24.6) | 17.2 (11.3, 24.7) | 0.01 |
| Gestational age at delivery (weeks) | 37.2 (35.1, 39.0) | 36.0 (29.7, 39.0) | 0.04 |
| Delivered < 37 weeks’ gestation | 49 (40.8) | 45 (54.2) | 0.06 |
| Indication for preterm delivery < 37 weeks | 0.60 | ||
| Spontaneous PPROM or PTL | 32 (69.6) | 33 (73.3) | |
| Maternal | 7 (15.2) | 9 (20.0) | |
| Fetal | 5 (10.9) | 2 (4.4) | |
| Elective | 2 (4.4) | 1 (2.2) | |
| Delivered < 34 weeks’ gestation | 21 (17.5) | 36 (43.4) | <0.001 |
| Indication for preterm delivery < 34 weeks | 0.85 | ||
| Spontaneous PPROM or PTL | 17 (85.0) | 30 (83.3) | |
| Maternal | 2 (10.0) | 5 (13.9) | |
| Fetal | 1 (5.0) | 1 (2.8) | |
| Male fetus | 54 (45.4) | 45 (54.2) | 0.22 |
| Birthweight (grams) | 2977 (2485, 3411) | 2510 (1255, 3126) | <0.01 |
| Evidence of chorioamnionitis or funisitis on | 16 (13.3) | 26 (31.3) | <0.01 |
| placental pathology | |||
| Neonatal ICU admission | 28 (24.6) | 37 (47.4) | <0.01 |
| Composite neonatal morbidity* | 11 (9.2) | 17 (20.5) | 0.02 |
Data presented as n (%) or median (IQR)
*
Composite includes necrotizing enterocolitis, intraventricular hemorrhage, bronchopulmonary dysplasia, and perinatal death