Non-SGA | SGA | ||||||
---|---|---|---|---|---|---|---|
Gestational age in weeks | Perinatal deaths n (per 1000) | Adjusted ORα | 95% CI | Perinatal deaths n (per 1000) | SGA% of deaths per week | Adjusted ORα | 95% CI |
1987–1998 | |||||||
37 | 120 (6.1) | 4.4 | 3.5–5.5 | 78 (36.8) | 39.4 | 27.3 | 20.9–35.6 |
38 | 103 (2.1) | 1.5 | 1.2–1.9 | 87 (16.3) | 45.8 | 11.8 | 9.1–15.2 |
39 | 166 (1.6) | 1.2 | 0.94–1.4 | 100 (8.8) | 37.6 | 6.4 | 5.0–8.1 |
40 | 201 (1.4) | 1.0 | Reference | 67 (4.4) | 25.0 | 3.2 | 2.4–4.2 |
41 | 157 (1.4) | 0.99 | 0.8–1.2 | 49 (4.3) | 23.8 | 3.1 | 2.3–4.3 |
≥42 | 115 (1.7) | 1.2 | 0.97–1.5 | 63 (9.3) | 35.4 | 6.8 | 5.1–9.1 |
1999–2006 | |||||||
37 | 34 (3.7) | 3.5 | 2.3–5.3 | 13 (16.6) | 27.7 | 15.8 | 8.7–28.7 |
38 | 47 (2.0) | 1.9 | 1.3–2.8 | 21 (11.5) | 30.9 | 10.9 | 6.7–17.9 |
39 | 66 (1.4) | 1.4 | 0.97–1.9 | 29 (8.8) | 30.5 | 8.3 | 5.4–12.9 |
40 | 69 (1.0) | 1.0 | Reference | 13 (3.3) | 15.9 | 3.2 | 1.7–5.7 |
41 | 69 (1.3) | 1.3 | 0.9–1.8 | 16 (5.6) | 18.8 | 5.4 | 3.1–9.3 |
≥42 | 63 (2.0) | 2.0 | 1.4–2.7 | 16 (10.2) | 20.3 | 9.8 | 5.7–17.0 |