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Table 3 Relative risks of Apgar score at 1 and 5 min for neonatal mortality

From: Apgar score and neonatal mortality in China: an observational study from a national surveillance system

 

1-min

Apgar score

5-min

Apgar score

Total No. of livebirths

No. of deaths (rate per 100 birthsa)

Adjusted relative riskb

(95%CI)

Total

0–3

0–3

5039

2292 (46.58)

220.13 (184.91–262.07)

0–3

4–6

5822

511 (8.40)

47.42 (40.11–56.08)

0–3

7–10

6481

122 (1.61)

12.49 (9.69–16.11)

4–6

0–3

454

187 (42.51)

160.43 (128.41–200.44)

4–6

4–6

5959

511 (8.37)

42.75 (35.93–50.85)

4–6

7–10

40,239

447 (1.01)

9.18 (7.82–10.79)

7–10

0–3

3514

46 (1.33)

28.25 (19.25–41.46)

7–10

4–6

1399

94 (7.35)

48.08 (36.64–63.09)

7–10

7–10

6,485,078

3318 (0.05)

1(reference)

Hospital level 1

0–3

0–3

239

100 (41.38)

400.16 (232.21–689.56)

0–3

4–6

321

11 (3.34)

44.81 (18.93–106.11)

0–3

7–10

356

1 (0.12)

1.93 (0.25–14.82)

4–6

0–3

16

10 (64.94)

406.37 (183.13–901.73)

4–6

4–6

323

16 (5.12)

56.39 (24.37–130.44)

4–6

7–10

2981

12 (0.42)

8.40 (3.68–19.18)

7–10

0–3

176

3 (1.91)

54.34 (14.23–207.47)

7–10

4–6

53

1 (2.12)

27.99 (9.95–78.77)

7–10

7–10

447,576

140 (0.03)

1(reference)

Hospital level 2

0–3

0–3

2090

1011 (48.59)

297.96 (238.97–371.50)

0–3

4–6

2408

190 (7.83)

60.27 (47.76–76.05)

0–3

7–10

2584

32 (1.12)

11.35 (7.12–18.10)

4–6

0–3

195

86 (44.65)

214.20 (161.22–284.60)

4–6

4–6

2507

214 (8.31)

56.95 (45.55–71.21)

4–6

7–10

18,769

157 (0.85)

10.53 (8.14–13.60)

7–10

0–3

1740

20 (1.16)

25.61 (14.02–46.79)

7–10

4–6

545

48 (9.18)

71.98 (51.20–101.19)

7–10

7–10

3,121,012

1427 (0.05)

1(reference)

Hospital level 3

0–3

0–3

2546

1101 (44.41)

126.40 (101.41–157.56)

0–3

4–6

2888

295 (10.46)

32.91 (26.11–41.49)

0–3

7–10

3175

84 (2.62)

12.00 (8.53–16.89)

4–6

0–3

222

79 (35.26)

80.30 (57.87–111.42)

4–6

4–6

2933

258 (8.90)

26.89 (21.44–33.72)

4–6

7–10

16,820

260 (1.51)

7.23 (6.03–8.68)

7–10

0–3

1422

21 (1.58)

27.92 (17.40–44.79)

7–10

4–6

734

37 (4.91)

22.46 (15.01–33.62)

7–10

7–10

2,586,911

1580 (0.06)

1(reference)

  1. a Weighted for sampling distribution of the population
  2. b RRs were adjusted for hospital level, maternal age, maternal education, maternal marital status, history of caesarean section, number of antenatal visits, neonatal sex, use of anaesthesia, mode of delivery, foetal presentation, birthweight categories, gestational age categories, days that the mother stayed at the hospital after delivery, maternal complications and year of delivery (2012, 2013, 2014, 2015, 2016)