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Table 4 Ethnic distribution of total Birth defects in Liuzhou from 2011 to 2015

From: Epidemiology of birth defects based on surveillance data from 2011–2015 in Guangxi, China: comparison across five major ethnic groups

Birth defects

Han

 

Zhuang

 

Miao

 

Dong

 

Yao

No.

No.

RR (CI)

No.

RR (CI)

No.

RR (CI)

No.

RR (CI)

Total birth defects

3380

2406

0.87(0.83–0.92)c

310

0.54(0.49–0.61)c

257

0.49(0.43–0.56)c

116

0.64(0.53–0.76)c

Multiple birth defects

216

192

1.09(0.89–1.32)

22

0.60(0.39–0.94)a

20

0.60(0.38-0.95)a

11

0.94(0.52-1.73)

Genetic synd/meta

105

84

0.98(0.73–1.30)

6

0.34(0.15–0.77)a

9

0.55(0.28-1.09)

1

0.18(0.02–1.27)

Birth defects prevalence§

28.98

25.19

 

15.78

 

14.24

 

18.45

 

Perinatal infants

116,626

95,524

 

19,645

 

18,049

 

6288

 
  1. CI confidence interval, RR relative risk, Multiple birth defects affecting ≥2 organ-systems, synd/meta syndrome and metabolic disease
  2. §= Prevalence per 1000 perinatal infants
  3. aP < 0.05, b P < 0.01, c P < 0.001