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Table 2 Rates of perinatal mortality and revealed small-for-gestational-age at 35 weeks, 40 weeks and 41 weeks by ethnicity

From: Does one size fit all? The case for ethnic-specific standards of fetal growth

Ethnic group (gestational age) Perinatal mortality Revealed SGA rate (single standard) Revealed SGA rate (ethnic-specific std.)
  Rate Rate ratio 95% CI Rate Rate ratio 95% CI Rate Rate ratio 95% CI
35 weeks          
   Chinese 0.05 0.20 0.05–0.79 0.5 0.60 0.38–0.95 0.6 0.76 0.51–1.15
   South Asian 0.19 0.72 0.34–1.53 1.3 1.66 1.24–2.21 0.8 1.03 0.72–1.47
   First Nations 0.33 1.29 0.79–2.09 0.7 0.93 0.67–1.28 1.1 1.39 1.07–1.81
   Other 0.26 1.00 - 0.8 1.00 - 0.8 1.00 -
40 weeks          
   Chinese 0.46 0.35 0.17–0.70 106.6 1.84 1.76–1.92 69.0 1.13 1.07–1.20
   South Asian 0.88 0.66 0.40–1.08 121.3 2.09 2.01–2.18 67.6 1.11 1.05–1.17
   First Nations 2.23 1.67 1.29–2.17 54.9 0.95 0.90–1.00 72.4 1.19 1.14–1.24
   Other 1.33 1.00 - 58.0 1.00 - 61.0 1.00 -
41 weeks          
   Chinese 0.99 0.62 0.26–1.51 138.4 2.05 1.91–2.20 80.7 1.12 1.02–1.23
   South Asian 1.41 0.89 0.44–1.80 145.2 2.15 2.01–2.30 79.7 1.11 1.01–1.21
   First Nations 2.76 1.74 1.11–2.74 58.1 0.86 0.78–0.95 75.4 1.05 0.99–1.14
   Other 1.59 1.00 - 67.5 1.00 - 71.8 1.00 -
  1. Data source: British Columbia Vital Statistics Agency