Gestational age | 24 weeks | 25 weeks | 26 weeks | 27 weeks | 28 weeks | 29 weeks | 30 week | 31 week | Total |
---|---|---|---|---|---|---|---|---|---|
Numbers (%) | 11 | 25 | 33 | 79 | 199 | 321 | 444 | 648 | 1760 |
Died within 7Â days (%) | 6 (54.5) | 13 (52.0) | 3 (9.1) | 8 (10.1) | 7 (3.5) | 9 (2.8) | 6 (1.4) | 2 (0.3) | 54 (3.1) |
Died before discharge (%) | 5 (45.5) | 5 (20.0) | 2 (6.1) | 5 (6.3) | 18 (9.1) | 21 (6.5) | 21 (4.7) | 24 (3.7) | 101 (5.7) |
Survived to discharge (%)a | 0 (0) | 7 (28.0) | 28 (84.8) | 66 (83.5) | 174 (87.4) | 291 (90.7) | 417 (93.9) | 622 (96.0) | 1605 (91.2) |
Survived without morbidity (%)b | 0 (0) | 2 (8.0) | 20 (60.6) | 42 (53.2) | 124 (62.3) | 218 (67.9) | 351 (79.1) | 556 (85.8) | 1313 (74.6) |
Died or survived with at least one morbidity (%) | 11 (100) | 23 (92.0) | 13 (39.4) | 37 (46.8) | 75 (37.7) | 103 (32.1) | 93 (20.9) | 92 (14.2) | 447 (25.4) |
RDS (%) | 10 (90.9) | 22 (88.0) | 29 (87.9) | 69 (87.3) | 167 (83.9) | 223 (69.5) | 234 (52.7) | 276 (42.6) | 1030 (58.5) |
BPD (%)c | - | 4 (57.1) | 11 (39.3) | 20 (30.3) | 45 (25.9) | 63 (21.6) | 33 (7.9) | 24 (3.9) | 200 (12.5) |
NEC (%)d | - | 0 (0) | 2 (6.7) | 7 (9.9) | 13 (6.8) | 11 (3.5) | 10 (2.3) | 23 (3.6) | 66 (3.9) |
IVH (%)d | - | 5 (41.7) | 7 (23.3) | 23 (32.4) | 31 (16.1) | 50 (16.0) | 61 (13.9) | 85 (13.2) | 262 (15.4) |
PDA (%)d | - | 4 (33.3) | 11 (36.7) | 30 (42.3) | 59 (30.7) | 102 (32.7) | 117 (26.7) | 162 (25.1) | 485 (28.4) |
ROP (%)c | - | 2 (28.6) | 5 (17.9) | 10 (15.2) | 18 (10.3) | 21 (7.2) | 16 (3.8) | 14 (2.3) | 86 (5.4) |
Sepsis (%)a | - | 5 (20.0) | 7 (21.2) | 11 (13.9) | 33 (16.6) | 35 (10.9) | 42 (9.5) | 37 (5.7) | 170 (9.7) |