Table 1).
Adjusted for GA, gender, small for gestational age, SNAPII score, maternal age, antenatal steroid use and multiple births.
| Characteristics | Group 0 | Group 1 | Group 2 |
|---|---|---|---|
| N | 172 | 1689 | 1535 |
| Composite outcome | 1.43(0.90,2.1) | 1.21(1.06,1.39) | 1.06(0.92,1.22) |
| Mortality | 1.09(0.63,1.87) | 1.03(0.84,1.27) | 1.02(0.85,1.23) |
| BPD | 1.54(1.06,2.22) | 1.43(1.24,1.64) | 1.05(0.92,1.21) |
| ROP>stage 2 | 1.40(0.80,2.45) | 1.19(0.95,1.48) | 1.10(0.89,1.37) |
| IVH grade 3/4 or PVL | 0.73(0.44,1.21) | 0.72(0.61,0.86) | 0.99(0.85,1.16) |
| Necrotizing Enterocolitis | 1.08(0.59,1.96) | 1.34(1.09,1.64) | 0.99(0.80,1.23) |
| LOS | 1.23(0.85,1.77) | 1.18(1.03,1.36) | 1.06(0.92,1.21) |