Table 2 Pregnancy and delivery outcomes of the PIH and non-PIH groups
All (n=976) | PIH group (n=32) | non-PIH group (n=944) | P-value | ||
---|---|---|---|---|---|
Gestational age (weeks) | mean (s.d.) | 39.1 (1.8) | 37.8 (1.9) | 39.1 (1.7) | <0.001 |
<37 | n (%) | 59 (6.0) | 11 (34.4) | 48 (5.1) | <0.001 |
≧37 | n (%) | 917 (94.0) | 21 (65.6) | 896 (94.9) | |
Stillbirth | n (%) | 2 (0.2) | 1 (3.1) | 1 (0.1) | NS |
Delivery mode | |||||
Normal vaginal delivery | n (%) | 614 (62.9) | 11 (34.4) | 603 (63.9) | <0.001 |
Instrumental delivery | n (%) | 152 (15.6) | 11 (34.4) | 141 (14.9) | 0.01 |
Total Cesarean section | n (%) | 208 (21.3) | 10 (31.3) | 198 (21.0) | NS |
Planned cesarean section | n (%) | 124 (12.7) | 6 (18.8) | 118 (12.5) | NS |
Emergency cesarean section | n (%) | 84 (8.6) | 4 (12.5) | 80 (8.5) | NS |
Placental weight (g) | mean (s.d.) | 558.4 (104.6) | 513.0 (100.9) | 560.0 (104.4) | 0.022 |
Birth weight (g) | mean (s.d.) | 3003.6 (421.8) | 2618.7 (538.7) | 3016.6 (411.3) | <0.001 |
Head circumference (cm) | mean (s.d.) | 33.1 (1.4) | 32.4 (1.7) | 33.2 (1.4) | 0.007 |
Chest circumference (cm) | mean (s.d.) | 31.5 (1.7) | 30.0 (2.0) | 31.6 (1.7) | <0.001 |
Apgar score at 5 min of ≦7 | n (%) | 18 (1.8) | 3 (9.4) | 15 (1.6) | 0.02 |