Table 3 Neonatal mortality rates by gestational age (GA) and birth weight (BW) among selected high-income countries, 1995–2005

GA (weeks)

<22

950.5

850.9

875.0

1000.0

0.0

950.5

-^a

(938.2–960.9)

(847.0–854.6)

(768.5–944.5)

(540.7–1000.0)

(0.0–0.0)

(888.2–983.7)

22–23

892.2

724.1

879.3

794.3

1000.0

739.0

561.2

(877.4–905.8)

(720.4–727.7)

(821.4–923.7)

(726.8–851.6)

(857.5–1000.0)

(682.5–790.1)

(506.2–615.1)

24–25

417.4

311.7

456.8

318.2

340.4

304.8

269.9

(399.0–436.1)

(308.6–314.7)

(417.6–496.4)

(266.5–373.4)

(208.6–493.1)

(270.0–341.3)

(243.3–297.8)

26–27

141.9

118.1

181.8

136.3

131.1

106.7

140.2

(131.2–153.1)

(116.3–120.0)

(159.7–205.7)

(106.8–170.4)

(58.4–242.2)

(88.6–126.9)

(123.7–158.0)

28–31

44.4

36.5

43.8

46.2

34.0

38.1

42.2

(41.1–47.8)

(35.9–37.1)

(38.3–49.9)

(39.5–53.6)

(15.6–63.5)

(32.7–44.1)

(37.5–47.4)

32–36

7.0

5.9

7.9

8.5

7.6

6.9

8.6

(6.6–7.4)

(5.9–6.0)

(7.0–8.8)

(7.4–9.6)

(4.4–12.3)

(6.0–7.8)

(7.8–9.4)

37–41

0.9

0.9

1.3

0.9

0.5

1.0

0.8

(0.9–0.9)

(0.9–0.9)

(1.2–1.4)

(0.8–0.9)

(0.3–0.8)

(0.9–1.0)

(0.7–0.9)

≥42

1.3

1.1

1.6

1.1

0.7

1.1

1.2

(0.9–1.7)

(1.0–1.1)

(1.3–1.9)

(0.7–1.5)

(0.1–2.4)

(0.8–1.4)

(1.0–1.5)

Unknown

32.3

13.0

61.0

67.8

0.0

4.3

33.8

(27.9–37.2)

(12.7–13.3)

(55.3–67.0)

(61.2–74.9)

(0.0–18.4)

(3.5–5.2)

(24.6–45.2)

BW (grams)

<500

914.0

838.3

905.1

795.2

833.3

760.8

578.4

(901.9–925.1)

(835.4–841.3)

(848.3–945.9)

(725.7–853.8)

(358.8–995.8)

(703.6–811.8)

(503.7–650.5)

500–749

533.8

420.8

481.1

472.7

633.3

368.6

330.5

(517.7–549.8)

(418.1–423.6)

(444.6–517.8)

(436.5–509.1)

(499.0–754.1)

(337.0–401.1)

(302.2–359.7)

750–999

163.9

118.4

175.2

162.0

150.0

111.1

112.4

(152.9–175.4)

(116.7–120.2)

(154.5–197.4)

(138.7–187.4)

(80.0–247.4)

(94.0–130.1)

(97.7–128.6)

1,000–1,499

53.4

42.4

61.0

51.4

18.6

45.5

52.2

(49.4–57.7)

(41.7–43.1)

(53.8–68.9)

(43.2–60.6)

(5.1–46.9)

(38.9–52.9)

(46.1–59.0)

1,500–1,999

19.7

18.3

22.5

23.8

10.5

16.2

21.5

(18.1–21.5)

(18.0–18.6)

(19.4–25.9)

(20.0–28.1)

(2.9–26.7)

(13.3–19.5)

(18.7–24.7)

≥2000

1.1

1.2

1.3

1.1

0.8

1.1

0.9

(1.1–1.1)

(1.1–1.2)

(1.3–1.4)

(1.0–1.2)

(0.5–1.1)

(1.0–1.2)

(0.9–1.0)

Unknown

36.4

135.4

66.0

12.5

0.0

94.1

55.8

(31.6–41.7)

(130.2–140.8)

(60.1–72.3)

(6.6–21.2)

(0.0–521.8)

(73.3–118.3)

(49.3–62.7)

Total

3.8

4.4

3.5

2.5

2.1

2.6

2.2

(3.7–3.8)

(4.4–4.4)

(3.3–3.6)

(2.4–2.6)

(1.7–2.6)

(2.5–2.8)

(2.1–2.3)