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Table 2 Pregnancy complication related maternal and fetal birth status

From: Estimation of high risk pregnancy contributing to perinatal morbidity and mortality from a birth population-based regional survey in 2010 in China

Pregnancy complications

Yes

No

P values

All pregnancies

5,938 (10.0)

53,925 (90.0)

 

Maternal age (years)

26.7±5.6

25.8±5.1

<0.001

<20

136 (2.3)

1,348 (2.5)

 

20-24

2,483 (42.0)

26,168 (48.8)

 

25-29

1,872 (31.7)

15,566 (29.0)

 

30-34

712 (12.0)

6,228 (11.6)

 

>35

706 (11.9)

4,296 (8.0)

 

First delivery

4,093 (68.0)

34,921 (64.7)

<0.001

Cesarean section

4,315 (71.6)

27,553 (50.8)

<0.001

Fetal deaths/stillbirths

34 (0.6)

155 (0.3)

<0.001

Birth numbers

6,051 (10.0)

54,394 (90.0)

 

Live births

6,017 (99.4)

54,239 (99.7)

 

Preterm births

860 (14.2)

1,370 (2.5)

<0.001

32-36 weeks

759 (12.6)

1,174 (2.2)

 

28-31 weeks

96 (1.6)

170 (0.3)

 

24-27 weeks

5

26

 

Post-term births

90 (1.5)

1602 (3.0)

<0.001

Low birthweight

541 (9.0)

1140 (2.1)

<0.001

Multiple-births

224 (3.7)

859 (1.6)

<0.001

Congenital anomalies

56 (0.9)

257 (0.5)

<0.001

Deathsa

54 (0.9)

194 (0.4)

<0.001

  1. All values are given in numbers and percentage (% of all pregnancies or birth numbers) or means±SD. aIncluding fetal deaths/stillbirth and neonatal deaths immediately at delivery but counted as live births.