Year | 1996-2008 | 1996 | 2000 | 2004 | 2008 | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Characteristics | No. (%) | p-value 1. - 2. | relative risk | No. (%) | p-value 96 - 00 | No. (%) | p-value 00 - 04 | No. (%) | p-value 04 - 08 | No. (%) | p-value 96 - 08 |
Overall mortality rate | 412 (13.3) | 95 (13.2) | 0.04 | 122 (15.8) | 0.04 | 98 (13.0) | 0.20 | 97 (11.5) | 0.15 | ||
Mortality rate by gender | |||||||||||
1. females | 177 (11.7) | 0.55 | 1 | 41 (12.0) | 0.26 | 54 (13.8) | 0.07 | 38 (10.5) | 0.91 | 44 (10.7) | 0.41 |
2. males | 235 (14.8) | 1.13 | 54 (14.3) | 0.06 | 68 (17.7) | 0.22 | 60 (15.3) | 0.09 | 53 (12.3) | 0.24 | |
Mortality rate by mode of delivery1 | |||||||||||
1. spontaneous | 107 (18.9) | 0.17 | 1.65 | 33 (19.0) | 0.70 | 29 (20.3) | 0.54 | 23 (18.1) | 0.95 | 22 (17.9) | 0.75 |
2. caesarean section | 273 (11.4) | 1 | 58 (11.1) | < 0.01 | 86 (14.5) | 0.03 | 70 (11.5) | 0.03 | 59 (8.8) | 0.06 | |
Mortality rate by location of birth | |||||||||||
1. inborn2 | 376 (13.4) | 0.89 | 1.06 | 81 (13.0) | 0.01 | 112 (16.3) | 0.02 | 92 (12.9) | 0.26 | 91 (11.6) | 0.23 |
2. outborn | 36 (12.7) | 1 | 14 (14.3) | 0.43 | 10 (11.4) | 0.60 | 6 (14.0) | 0.51 | 6 (10.9) | 0.47 | |
Mortality rate by number of infants | |||||||||||
1. singleton | 308 (14.4) | 0.50 | 1.31 | 75 (13.9) | 0.17 | 87 (15.9) | 0.30 | 73 (14.2) | 0.60 | 73 (13.4) | 0.75 |
2. multiples | 104 (11.0) | 1 | 20 (11.2) | 0.05 | 35 (15.4) | 0.03 | 25 (10.4) | 0.18 | 24 (8.1) | 0.09 | |
Mortality rate by gestational age3 | |||||||||||
< 26 | 186 (56.0) | 6.8a | 40 (58.8) | 0.26 | 60 (64.5) | 0.05 | 45 (54.2) | 0.15 | 41 (46.6) | 0.02 | |
26-27 | 115 (23.1) | 4.7a | 25 (26.0) | 0.95 | 34 (25.8) | 0.51 | 30 (23.3) | 0.17 | 26 (18.4) | 0.04 | |
28-29 | 52 (7.5) | 2.0a | 14 (8.2) | 0.69 | 13 (7.4) | 0.83 | 12 (7.0) | 0.92 | 13 (7.3) | 0.50 | |
30-31 | 46 (4.0) | 1.3a | 11 (4.0) | 0.78 | 10 (3.7) | 0.68 | 9 (3.2) | 0.77 | 16 (5.0) | 0.32 | |
Characteristics | p0.5 (p0.05-p0.95) | p-value 1. - 2. | mean | p-value 96 - 00 | Mean | p-value 00 - 04 | mean | p-value 04 - 08 | mean | p-value 96 - 08 | |
Birth weight (g) | |||||||||||
1. survivors | 1225 (630-1840) | < 0.001 | 1283 | 0.49 | 1279 | 0.94 | 1264 | 0.05 | 1244 | 0.01 | |
2. deaths | 795 (480-1625) | 943 | 0.02 | 835 | 0.11 | 918 | 0.79 | 935 | 0.89 | ||
Gestational age (week) | |||||||||||
1. survivors | 30 0/7 (25 0/7 - 33 5/7) | < 0.001 | 30 2/7 | 0.56 | 30 0/7 | 0.96 | 29 6/7 | 0.02 | 29 6/7 | < 0.01 | |
2. deaths | 26 3/7 (23 6/7 - 31 5/7) | 27 2/7 | 0.10 | 26 5/7 | 0.90 | 26 5/7 | 0.32 | 27 0/7 | 0.52 |