Variables | ≤750 g (n = 25) | 751-1000 g(n = 158) | 1001-1250 g(n = 369) | 1251-1500 g(n = 507) | Total (n = 1059) | F/χ2 | P | P value for Trend |
---|---|---|---|---|---|---|---|---|
Death | 8(32.0%) | 10(6.3%) | 11(3.0%) | 7(1.4%) | 36(3.4%) | 97.351 | 0.00 | 0.00 |
BPD(n,%) | 4(16.0%) | 67(42.4%) | 117(31.7%) | 76(15.0%) | 264(24.9%) | 62.441 | 0.00 | 0.00 |
NEC(n,%) | 3(12.0%) | 14(8.9%) | 40(10.8%) | 42(8.3%) | 99(9.4%) | 1.898 | 0.59 | 0.43 |
ROP(n,%) | 1(4.0%) | 60(38.0%) | 93(25.2%) | 76(15.0%) | 230(21.7%) | 46.241 | 0.00 | 0.00 |
PDA(n,%) | 7(28.0%) | 64(40.5%) | 109(29.5%) | 137(27.0%) | 317(29.9%) | 10.543 | 0.01 | 0.01 |
Sepsis(n,%) | 7(28.0%) | 31(19.6%) | 56(15.2%) | 47(9.3%) | 141(13.3%) | 18.408 | 0.00 | 0.00 |