No (%) requiring oxygen | 59 (92) | 52 (85) |
Duration of oxygen (d)5-151
| 26 (3–48) | 19 (3–51) |
No (%) requiring mechanical ventilation | 54 (84) | 47 (77) |
Duration of mechanical ventilation (d)5-151
| 7 (1–18) | 7 (1–18) |
No (%) developing chronic lung disease | 30 (47) | 25 (41) |
No (%) developing bronchopulmonary dysplasia | 14 (22) | 14 (23) |
No (%) needing oxygen at term | 6 (9) | 5 (8) |
No (%) developing osteopenia | 6 (9) | 3 (5) |
No (%) developing cholestasis | 3 (5) | 2 (3) |
No (%) developing bacteraemia | 32 (50) | 40 (66) |
Episodes of bacteraemia5-151
| 0 (0–1) | 1 (0–2) |
No (%) developing coagulase-negative staphylococcal bacteraemia | 28 (44) | 34 (56) |
Episodes of coagulase-negative staphylococcal bacteraemia5-151
| 0 (0–1) | 1 (0–1) |
Duration of phototherapy (d)5-151
| 4 (2–6) | 5 (3–8)5-150 |
Transfusions of blood or plasma5-151
| 9 (3–15) | 10 (5–18) |