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.) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Â | Rate | Rate ratio | 95% CI | Rate | Rate ratio | 95% CI | Rate | Rate ratio | 95% CI |
35 weeks | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   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 | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   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 | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   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 | - |