Table 4 Stillbirth to live birth ratios, by gestational age (GA) and birth weight (BW) among selected high-income countries, 1995–2005
Gestational age/Birth weight | Canada | USA | Denmark | Finland | Iceland | Norway | Sweden | |
|---|---|---|---|---|---|---|---|---|
Ratio (95 % CI) | Ratio (95 % CI) | Ratio (95 % CI) | Ratio (95 % CI) | Ratio (95 % CI) | Ratio (95 % CI) | Ratio (95 % CI) | ||
GA (weeks) | <22 | 155.8 (145.9–166.4) | 163.6 (161.4–165.9) | -a | 200.0 (69.5–649.6) | - | 2073.3 (1698.6–2559.6) | -a |
22–23 | 112.1 (105.3–119.3) | 79.2 (78.3–80.2) | - | 90.8 (72.8–113.3) | 176.2 (100.5–316.8) | 173.9 (149.5–202.6) | - | |
24–25 | 38.2 (35.6–41.0) | 26.7 (26.3–27.1) | - | 37.0 (29.6–46.0) | 42.6 (23.9–73.2) | 40.7 (35.2–46.9) | - | |
26–27 | 18.2 (16.8–19.7) | 15.3 (15.0–15.5) | - | 23.5 (18.9–28.9) | 23.0 (11.9–41.5) | 20.1 (17.2–23.3) | - | |
28–31 | 9.6 (9.1–10.1) | 7.6 (7.5–7.7) | 11.4 (10.4–12.4) | 9.4 (8.3–10.5) | 10.9 (7.2–16.1) | 8.6 (7.7–9.6) | 9.2 (8.5–10.0) | |
32–36 | 1.7 (1.6–1.7) | 1.3 (1.3–1.3) | 2.0 (1.9–2.2) | 1.6 (1.5–1.7) | 2.0 (1.4–2.7) | 1.7 (1.6–1.9) | 1.9 (1.8–2.0) | |
37–41 | 0.2 (0.2–0.2) | 0.1 (0.1–0.1) | 0.2 (0.2–0.3) | 0.1 (0.1–0.1) | 0.1 (0.1–0.2) | 0.2 (0.2–0.2) | 0.2 (0.2–0.2) | |
≥42 | 0.2 (0.1–0.2) | 0.1 (0.1–0.1) | 0.2 (0.2–0.2) | 0.1 (0.0–0.1) | 0.0 (0.0–0.2) | 0.2 (0.2–0.2) | 0.2 (0.2–0.2) | |
Unknown | 2.4 (2.1–2.9) | 7.0 (7.0–7.1) | 1.3 (1.1–1.6) | 10.1 (9.2–11.0) | 0.0 (0.0–1.9) | 2.3 (2.1–2.5) | 2.1 (1.4–3.1) | |
BW (grams) | <500 | 128.6 (121.7–135.8) | 139.4 (137.9–140.8) | 51.3 (38.7–67.4) | 196.4 (162.4–238.2) | 383.3 (151.8–1151.6) | 1077.9 (947.1–1229.8) | 13.5 (8.5–20.6) |
500–749 | 59.5 (56.4–62.7) | 32.7 (32.3–33.1) | 18.5 (15.3–22.2) | 47.0 (41.3–53.4) | 71.7 (47.3–107.8) | 54.7 (48.9–61.1) | 9.6 (7.8–11.8) | |
750–999 | 22.0 (20.5–23.6) | 13.8 (13.5–14.0) | 11.4 (9.6–13.6) | 21.1 (18.0–24.6) | 21.3 (11.8–36.2) | 16.8 (14.4–19.4) | 8.6 (7.2–10.1) | |
1,000–1,499 | 9.7 (9.1–10.3) | 7.5 (7.4–7.6) | 7.6 (6.7–8.5) | 9.5 (8.3–10.8) | 12.1 (7.7–18.2) | 8.3 (7.3–9.3) | 8.4 (7.6–9.3) | |
1,500–1,999 | 4.2 (4.0–4.5) | 3.3 (3.2–3.3) | 3.8 (3.4–4.2) | 4.3 (3.8–4.9) | 2.4 (1.1–4.5) | 3.8 (3.4–4.3) | 4.5 (4.1–5.0) | |
≥2000 | 0.2 (0.2–0.2) | 0.2 (0.2–0.2) | 0.3 (0.2–0.3) | 0.2 (0.2–0.2) | 0.2 (0.1–0.2) | 0.2 (0.2–0.2) | 0.2 (0.2–0.3) | |
Unknown | 15.8 (14.7–17.0) | 308.0 (302.4–313.4) | 7.3 (6.7–8.0) | 4.7 (3.4–6.2) | 0.0 (0.0–109.1) | 48.0 (42.0–54.8) | 2.5 (2.0–3.0) | |
Total | 0.6 (0.6–0.6) | 0.7 (0.7–0.7) | 0.4 (0.4–0.5) | 0.4 (0.4–0.4) | 0.4 (0.4–0.5) | 0.9 (0.9–0.9) | 0.4 (0.3–0.4) | |