Table 5 Crude neonatal mortality rates and rate ratios, and neonatal mortality rates and rate ratios after excluding live births <22 weeks, <24 weeks and <28 weeks, among selected high-income countries, 1995–2005 and 2005
Gestational age/Birth weight | 1995-2005 | 2005 | ||||
|---|---|---|---|---|---|---|
Rate (95 % CI) | Rate Ratio (95 % CI) | Rate (95 % CI) | Rate Ratio (95 % CI) | |||
GA (weeks) | ≥22 | Canada | 3.1 (3.1–3.2) | 1.26 (1.23–1.29) | 3.2 (2.9–3.4) | 1.47 (1.36–1.59) |
USA | 3.8 (3.7–3.8) | 1.50 (1.49–1.51) | 3.5 (3.5–3.6) | 1.65 (1.62–1.67) | ||
Denmark | 3.4 (3.3–3.5) | 1.35 (1.30–1.41) | 3.3 (2.8–3.7) | 1.51 (1.32–1.73) | ||
Finland | 2.5 (2.4–2.6) | 1.00 | 2.2 (1.8–2.6) | 1.00 | ||
Iceland | 2.1 (1.7–2.5) | 0.83 (0.67–1.01) | 1.4 (0.5–3.0) | 0.65 (0.24–1.41) | ||
Norway | 2.4 (2.3–2.5) | 0.97 (0.92–1.02) | 1.9 (1.5–2.3) | 0.87 (0.72–1.06) | ||
Sweden | 2.2 (2.1–2.3) | 0.89 (0.86–0.93) | 1.4 (1.2–1.7) | 0.67 (0.57–0.79) | ||
≥24 | Canada | 2.4 (2.3–2.5) | 1.05 (1.03–1.08) | 2.4 (2.2–2.7) | 1.24 (1.14–1.36) | |
USA | 2.8 (2.8–2.8) | 1.22 (1.22–1.23) | 2.6 (2.5–2.6) | 1.32 (1.30–1.35) | ||
Denmark | 3.2 (3.0–3.3) | 1.39 (1.34–1.45) | 3.0 (2.6–3.4) | 1.53 (1.32–1.76) | ||
Finland | 2.3 (2.2–2.4) | 1.00 | 2.0 (1.6–2.4) | 1.00 | ||
Iceland | 1.6 (1.2–2.0) | 0.68 (0.53–0.86) | 0.9 (0.3–2.4) | 0.48 (0.13–1.22) | ||
Norway | 2.1 (2.0–2.2) | 0.92 (0.87–0.97) | 1.5 (1.2–1.9) | 0.79 (0.63–0.97) | ||
Sweden | 2.0 (2.0–2.1) | 0.90 (0.86–0.94) | 1.4 (1.1–1.6) | 0.70 (0.58–0.82) | ||
≥28 | Canada | 1.7 (1.6–1.7) | 0.82 (0.79–0.85) | 1.6 (1.4–1.7) | 0.86 (0.77–0.96) | |
USA | 1.9 (1.8–1.9) | 0.91 (0.91–0.92) | 1.7 (1.6–1.7) | 0.91 (0.89–0.93) | ||
Denmark | 2.5 (2.4–2.6) | 1.23 (1.18–1.29) | 2.2 (1.9–2.6) | 1.22 (1.03–1.43) | ||
Finland | 2.0 (1.9–2.1) | 1.00 | 1.8 (1.5–2.2) | 1.00 | ||
Iceland | 1.0 (0.8–1.4) | 0.51 (0.38–0.68) | 0.5 (0.1–1.7) | 0.26 (0.03–0.92) | ||
Norway | 1.6 (1.5–1.7) | 0.78 (0.73–0.83) | 1.2 (1.0–1.6) | 0.67 (0.52–0.85) | ||
Sweden | 1.6 (1.5–1.6) | 0.77 (0.73–0.81) | 1.0 (0.8–1.2) | 0.53 (0.43–0.65) | ||
BW (grams) | ≥500 | Canada | 2.8 (2.8–2.9) | 1.23 (1.21–1.27) | 2.7 (2.5–3.0) | 1.40 (1.29–1.52) |
USA | 3.3 (3.2–3.3) | 1.42 (1.41–1.42) | 3.0 (3.0–3.1) | 1.53 (1.51–1.57) | ||
Denmark | 3.3 (3.1–3.4) | 1.42 (1.36–1.48) | 3.1 (2.7–3.5) | 1.56 (1.35–1.79) | ||
Finland | 2.3 (2.2–2.4) | 1.00 | 2.0 (1.6–2.4) | 1.00 | ||
Iceland | 2.0 (1.6–2.5) | 0.87 (0.70–1.07) | 1.2 (0.4–2.7) | 0.59 (0.19–1.39) | ||
Norway | 2.2 (2.1–2.4) | 0.97 (0.92–1.02) | 1.7 (1.4–2.1) | 0.87 (0.71–1.07) | ||
Sweden | 2.1 (2.0–2.2) | 0.92 (0.89–0.96) | 1.4 (1.2–1.6) | 0.71 (0.59–0.83) | ||
≥1000 | Canada | 1.7 (1.6–1.7) | 1.10 (1.07–1.14) | 1.4 (1.3–1.6) | 1.04 (0.93–1.17) | |
USA | 1.8 (1.8–1.8) | 1.17 (1.16–1.18) | 1.6 (1.6–1.6) | 1.18 (1.15–1.21) | ||
Denmark | 2.5 (2.4–2.6) | 1.64 (1.57–1.72) | 2.3 (1.9–2.7) | 1.67 (1.41–1.97) | ||
Finland | 1.5 (1.4–1.6) | 1.00 | 1.4 (1.1–1.7) | 1.00 | ||
Iceland | 0.9 (0.7–1.3) | 0.62 (0.45–0.83) | 0.5 (0.1–1.7) | 0.34 (0.04–1.24) | ||
Norway | 1.5 (1.4–1.6) | 1.00 (0.94–1.06) | 1.2 (1.0–1.6) | 0.92 (0.72–1.16) | ||
Sweden | 1.6 (1.5–1.7) | 1.06 (1.01–1.12) | 1.0 (0.8–1.2) | 0.75 (0.61–0.91) | ||
All live births | Canada | 3.8 (3.7–3.8) | 1.50 (1.47–1.53) | 3.9 (3.7–4.2) | 1.83 (1.71–1.96) | |
USAa | 4.4 (4.4–4.4) | 1.76 (1.75–1.76) | 4.2 (4.2–4.3) | 1.96 (1.93–1.99) | ||
Denmark | 3.5 (3.3–3.6) | 1.38 (1.33–1.43) | 3.3 (2.9–3.8) | 1.55 (1.35–1.77) | ||
Finland | 2.5 (2.4–2.6) | 1.00 | 2.2 (1.8–2.6) | 1.00 | ||
Iceland | 2.1 (1.7–2.6) | 0.84 (0.69–1.03) | 1.4 (0.5–3.1) | 0.65 (0.24–1.41) | ||
Norway | 2.6 (2.5–2.8) | 1.05 (1.00–1.10) | 2.1 (1.7–2.5) | 0.96 (0.79–1.15) | ||
Sweden | 2.2 (2.1–2.3) | 0.89 (0.85–0.93) | 1.4 (1.2–1.7) | 0.67 (0.57–0.79) | ||