Table 3.
Gestational age (weeks) | Canada 1995–2005 | Sweden 1995–2005 | ||||
---|---|---|---|---|---|---|
Live births | Neonatal mortality per 1000 (95% CI) | Live births | Neonatal mortality per 1000 (95% CI) | |||
Number | Rate/100 | Number | Rate/100 | |||
<22 | 1494 | 0.07 | 950.5 (938.2–960.9) | Not reported | – | – |
22–23 | 1902 | 0.08 | 892.2 (877.4–905.8) | 335 | 0.03 | 561.2 (506.2–615.1) |
24–25 | 2774 | 0.12 | 417.4 (399.0–436.1) | 1056 | 0.10 | 269.9 (243.3–297.8) |
26–27 | 3982 | 0.17 | 141.9 (131.2–153.1) | 1633 | 0.16 | 140.2 (123.7–158.0) |
28–31 | 14,820 | 0.65 | 44.4 (41.1–47.8) | 6628 | 0.64 | 42.2 (37.5–47.4) |
32–36 | 146,954 | 6.40 | 7.0 (6.6–7.4) | 55,058 | 5.35 | 8.6 (7.8–9.4) |
37–41 | 2,093,277 | 91.1 | 0.9 (0.9–0.9) | 882,169 | 85.8 | 0.8 (0.7–0.9) |
≥42 | 32,197 | 1.40 | 1.3 (0.9–1.7) | 81,697 | 7.94 | 1.2 (1.0–1.5) |
Unknown | 5699 | 0.25 | 32.3 (27.9–37.2) | 1273 | 0.12 | 33.8 (24.6–45.2) |
≥22 | 2,295,906 | 99.9 | 3.1 (3.1–3.2) | 1,028,576 | 100.0 | 2.2 (2.1–2.3) |
≥24 | 2,294,004 | 99.8 | 2.4 (2.3–2.5) | 1,028,241 | 100.0 | 2.4 (2.2–2.7) |
≥28 | 2,287,248 | 99.6 | 1.7 (1.6–1.7) | 1,025,552 | 99.7 | 1.6 (1.4–1.7) |
Total | 2,303,099 | 100.0 | 3.8 (3.7–3.8) | 1,029,849 | 100.0 | 2.2 (2.1–2.3) |
Source: [27••]