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Table 3 Relative rate of stillbirth hazard in different gestational age intervals: Yunnan, China, 2010-2018

From: Ethnic disparities in stillbirth risk in Yunnan, China: a prospective cohort study, 2010-2018

Gestational age (weeks)

Number of deliveries (stillbirths)

Hazard/1000 ongoing pregnancies

Relative rate of stillbirth hazard to Han women (95% CI)

 

Han

Dai

Hani

Miao

Yi

20-23

234 (182)

0.93

3.20 (2.23,4.61)

2.24 (1.33,3.77)

0.57 (0.19,1.69)

0.85 (0.57,1.26)

24-27

357 (192)

1.01

1.93 (1.22,3.05)

1.13 (0.53,2.39)

1.06 (0.51,2.21)

1.10 (0.79,1.53)

28-31

1,150 (243)

1.26

1.10 (0.64,1.90)

1.37 (0.76,2.45)

1.28 (0.72,2.25)

1.35 (1.04,1.75)

32-36

7,483 (213)

1.16

1.97 (1.28,3.01)

0.68 (0.27,1.74)

0.79 (0.35,1.79)

1.19 (0.88,1.60)

37-40

151,291 (228)

2.41

1.29 (0.78,2.13)

1.05 (0.53,2.08)

1.17 (0.63,2.15)

1.00 (0.74,1.35)

41-42

17,005 (28)

2.49

1.74 (0.41,7.50)

0 a

0 a

2.87 (1.34,6.15)

  1. Note. Han women were the reference group
  2. CI Confidence interval
  3. a No stillbirth in that gestational interval