Outcomes of infants randomised to lower iodine versus higher iodine formula
| Outcome | Lower iodine | Higher iodine |
| Days ventilated | 1 (0–72) | 1 (0–72) |
| Days increased Fio 2 | 5.5 (0–108) | 3 (0–112) |
| Receiving oxygen at 36/40 | 24 | 16 |
| Days intravenous fluid | 12 (1–30) | 11 (1–56) |
| Received breast milk | 26 | 32 |
| Intraventricular haemorrhage grade III–IV | 2 | 0 |
| Cystic periventricular leucomalacia | 2 | 1 |
| In patient stay (days) | 42.5 (14–108) | 43 (14–106) |
Values are numbers or median (range). No significant intergroup differences were observed.