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Table 1 Comparison of all child births and related morbidity and mortality in different levels of hospitals in Huai’an

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

Hospital level

I

II

III

P

Number of hospitals

129

15

7

 

All births

31,680 (52.3)

19,767 (32.6)

9,168 (15.1)

 

Fetal deaths/stillbirth

36 (0.1)

143 (0.7)

71 (0.8)

 

Live births

31,644 (99.9)

19,624 (99.3)

9,097 (99.2)

 

Males

16,900 (53.5)

10,539 (53.5)

4,967 (55.1)

0.018

Gestational age (weeks)

39.9±1.2

39.6±1.5

39.0±2.1

<0.001

Birthweight (grams)

3,469±447

3,443±495

3,338±604

<0.001

Preterm births

404 (1.3)

776 (3.9)

1,059 (11.6)

<0.001

Low birthweight

395 (1.2)

545 (2.8)

751 (8.3)

<0.001

Multiple-births

300 (0.9)

385 (1.9)

403 (4.4)

<0.001

Congenital anomalies

117 (0.4)

119 (0.6)

78 (0.9)

<0.001

Cesarean section

15,566 (49.2)

11,155 (56.6)

5,243 (57.5)

<0.001

Pregnancy complications

1,766 (5.6)

2,380 (12.1)

1,905 (21.1)

<0.001

Hypertension

327 (1.0)

410 (2.1)

279 (3.0)

<0.001

PROM

1,062 (3.3)

1,211 (6.1)

1,017 (11.1)

<0.001

Anemia

236 (0.7)

363 (1.8)

147 (1.6)

<0.001

Maternal age (years)

25.5±5.2

26.1±5.1

26.7±4.9

<0.001

Delayed childbearing

2,543 (8.1)

1,698 (8.6)

824 (9.0)

0.006

>9 years’ education

2,223 (7.4)

4,261 (23.2)

3,855 (50.0)

<0.001

Amniotic fluid volume

   

<0.001

Normal

29,162 (93.4)

18,037 (92.2)

7,665 (90.6)

 

Polyhydramnios

192 (0.6)

134 (0.7)

150 (1.8)

 

Oligohydramnios

1,873 (6.0)

1,400 (7.2)

647 (7.6)

 

Amniotic contamination

   

<0.001

Normal

27,647 (87.5)

16,240 (82.5)

7,639 (86.8)

 

Grade I

1,845 (5.8)

1,105 (5.6)

286 (3.2)

 

Grade II

1,356 (4.3)

1,069 (5.4)

324 (3.7)

 

Grade III

732 (2.3)

1260 (6.4)

548 (6.2)

 

Apgar score

    

1-min ≤7

783 (2.5)

767 (3.9)

740 (8.2)

<0.001

1-min ≤3

75 (0.2)

176 (0.9)

98 (1.1)

<0.001

5-min ≤7

105 (0.3)

193 (1.0)

244 (2.7)

<0.001

5-min ≤3

35 (0.1)

137 (0.7)

64 (0.7)

<0.001

Deathsa

56 (0.2)

156 (0.8)

90 (1.0)

<0.001

  1. All values are given in numbers and percentage (% of all births in each hospital level category) or means±SD. Definition of abbreviations: PROM, premature rupture of membrane.
  2. aIncluding fetal deaths/stillbirth and neonatal deaths immediately at delivery but counted as live births.