Table 1 Characteristics of patients between 2005 and 2017.
Characteristic | N (%) | Characteristic | N (%) |
|---|---|---|---|
Live births, n, (%) | 102526(100.0) | Gestational age distribution, n (%) | |
Sex | <37 wk | 9294(10.6) | |
Boys | 54759(52.5) | Apgar score at 5 minutes | |
Mean age ± SD, years | 28.3 ± 4.8 | <7 | 2896(2.7) |
Age, n (%) | 7–10 | 104363(97.3) | |
<20 y | 1459(1.4) | BMI | |
20–24 y | 21483(20.0) | <25 | 44087(44.3) |
25–29 y | 46316(43.2) | 25 to 30 | 46376(46.6) |
30–34 y | 25869(24.1) | ≥30 | 9056(9.1) |
>35 y | 12113(11.3) | HDCP | |
Nationality | No | 99215(96.3) | |
Han Chinese | 101,090(98.6) | Yes | 3812(3.7) |
Other | 1435(1.4) | Diabetes | |
Parity | No | 91890(90.0) | |
0 | 64456(61.7) | Yes | 10210(10.0) |
1 | 34684(33.2) | Mode of delivery | |
2 | 4762(4.6) | Vaginal | 54625(61.7) |
≥3 | 594(0.6) | Cesarean section | 45329(45.3) |
