Table 2 Pregnancy outcomes of women with moderate-severe OHSS and controls
Characteristic | OHSS Group (n = 342) | Matched Control (n = 342) | cOR | aOR |
|---|---|---|---|---|
(95% CI) | (95% CI) | |||
Biochemical pregnancy rate (%, n) | 65.2 (223/342) | 68.4 (234/342) | 0.95 (0.69-1.30) | 0.82 (0.56-1.20) |
Clinical pregnancy rate (%, n) | 60.2 (206/342) | 62.3 (213/342) | 0.97 (0.71-1.32) | 0.78 (0.54-1.14) |
Ectopic pregnancy rate (%, n) | 1.9 (4/206) | 0.5 (1/213) | 5.05 (0.65-45.45) | 9.26 (0.50-170.81) |
Miscarriage rate (%, n) | 12.4 (25/202) | 12.7 (27/212) | 0.91 (0.51-1.61) | 0.99 (0.51-1.96) |
Childbirth | 138 | 149 | 0.90 (0.66-1.22) | 0.73 (0.51-1.04) |
Pregnancy complication | ||||
 GDM (%, n) | 0.7 (1/138) | 2.0 (3/149) | 0.62 (0.15-2.51) | 0.84 (0.14-4.91) |
 PIH (%, n) | 3.6 (5/138) | 3.4 (5/149) | 1.25 (0.36-4.37) | 1.35 (0.32-5.75) |
 Placenta previa (%, n) | 1.5 (2/138) | 1.3 (2/149) | 1.25 (0.18-8.94) | 202.4 (0.28-146,434.89) |
 Premature rupture of membranes (%, n) | 3.6 (5/138) | 2.0 (3/149) | 2.10 (0.50-8.86) | 1.35 (0.27-6.76) |
 Postpartum hemorrhage (%, n) | 0.7 (1/138) | 0 (0/149) | 5,331,600.14 | 3.71 |
 Preterm birth (%, n) | 19.6 (27/138) | 14.1 (21/149) | 1.16 (0.64-2.11) | 1.01 (0.51-2.00) |
 Cesarean section (%, n) | 67.4 (93/138) | 68.5 (102/149) | 1.03 (0.66-1.60) | 0.67 (0.40-1.13) |
 Gestational age (weeks) | 37.9 ± 2.0 | 38.2 ± 1.7 | 0.26(−0.18-0.71) | 3.03 (−0.28-6.34) |
 Birth weight (g) | 3313.5 ± 565.2 | 3391.7 ± 574.7 | 108.03(−31.38-247.45) | 153.90 (− 120.13-427.93) |
 Birth length (cm) | 50.1 ± 2.5 | 50.0 ± 2.7 | 0.30(−0.28-0.87) | 3.37 (−0.57-7.32) |
 Neonatal congenital diseases (%, n) | 0.7 (1/138) | 0.7 (1/149) | 1.25 (0.08-20.08) | 6.93 |
 Neonatal death (%, n) | 1.5 (2/138) | 0 (0/149) | 1.07 | 9.64 |
 Other neonatal complication (%, n) | 2.2 (3/138) | 2.0 (3/149) | 1.25 (0.25-6.25) | 1.87 (0.24-14.80) |