Crude relative risk | p Value | Adjusted relative risk | p Value | |
---|---|---|---|---|
Birth weight | 0.996 (0.994 to 0.998) | <0.001 | 0.999 (0.996 to 1.001) | 0.178 |
Gestational age | 0.589 (0.501 to 0.691) | <0.001 | 0.774 (0.603 to 0.994) | 0.044 |
Surfactant | <0.001 | 0.261 | ||
Yes | 5.955 (2.607 to 13.603) | 1.778 (0.651 to 4.854) | ||
No | 1.0 | 1.0 | ||
Septicaemia | 0.007 | 0.668 | ||
Yes | 2.830 (1.325 to 6.046) | 1.206 (0.513 to 2.832) | ||
No | 1.0 | 1.0 | ||
Birth apnoea | 0.001 | 0.209 | ||
Yes | 3.525 (1.657 to 7.499) | 1.723 (0.737 to 4.029) | ||
No | 1.0 | 1.0 | ||
Blood transfusions | <0.001 | 0.349 | ||
Yes | 7.467 (3.014 to 18.499) | 1.757 (0.540 to 5.721) | ||
No | 1.0 | 1.0 | ||
Phototherapy | 0.169 | 0.951 | ||
Yes | 2.106 (0.728 to 6.090) | 0.963 (0.292 to 3.183) | ||
No | 1.0 | 1.0 | ||
Respiratory distress syndrome | 0.014 | 0.714 | ||
Yes | 2.940 (1.243 to 6.953) | 1.194 (0.464 to 3.071) | ||
No | 1.0 | 1.0 |
ROP, retinopathy of prematurity.