Osmolality of each additive alone and in combination with a standardised volume (5 ml) of expressed breast milk (EBM)
| Additive | Osmolality of pure additive (mOsm/kg) | Dose administered (x) | Measured osmolality of the mixture of dose (x) + 5 ml EBM (mOsm/kg) |
|---|---|---|---|
| Values in final column are mean (SD). | |||
| NaCl | 1870 | 1 mmol sodium | 578.57 (5.94) |
| 2 mmol sodium | 763.42 (5.53) | ||
| Sodium ironedetate | 3200 | 1 ml iron, 5.5 mg elemental iron | 951.57 (25.36) |
| Dalavit | 2333 | 0.6 ml | 472.71 (4.91) |
| Folic acid | 3410 | 500 μg | 916.85 (15.61) |
| Sodium acid phosphate | 1541 | 0.5 mmol phosphate | 654.40 (6.53) |
| Caffeine base | 32.8 | 10 mg/kg | 242 (13.55) |
| 16 | 5 mg/kg | 281.28 (5.76) | |
| 2.5 mg/kg | 266.71 (5.9) | ||
| Chloral hydrate | 3780 | 30 mg/kg | 691.25 (29.57) |
| 60 mg/kg | 1382.50 (23.75) | ||