From: Actuarial survival of a large Canadian cohort of preterm infants
 |  | Weight (grams) |  | |
---|---|---|---|---|
GA (weeks) | Â | Male | Female | p-value |
 | n |  |  |  |
23 | 105 | 625 | 576 | <0.05 |
34 | 234 | 699 | 679 | ns |
25 | 329 | 765 | 755 | ns |
26 | 374 | 897 | 813 | <0.05 |
27 | 388 | 1005 | 943 | <0.05 |
28 | 466 | 1155 | 1102 | ns |
29 | 579 | 1311 | 1236 | <0.05 |
30 | 612 | 1485 | 1382 | <0.05 |