Plasma sodium concentration (mmol/l) and incidence of hyponatraemia (plasma sodium <130 mmol/l) in the unsupplemented and supplemented infants
| Control (n=24) | Supplemented (n=22) | p Value | |
|---|---|---|---|
| Values are mean (SD). | |||
| Plasma sodium concentration: | |||
| Before supplementation (day 2–3) | 141.1 (5.1) | 141.5 (4.3) | NS |
| During supplementation (day 5–11) | 136.3 (7.1) | 136.9 (4.6) | NS |
| After supplementation (day 14–25) | 132.5 (5.3) | 135.6 (3.4) | <0.025 |
| Number of children with hyponatraemia | 9 (37.5%) | 4 (18.2%) | NS |