Mean serum sodium and potassium concentrations (mmol/l)
| Standard ORS (n = 32) | Hypo-osmolar ORS (n = 32) | ||||
| On admission | On recovery | On admission | On recovery | ||
| Sodium | 129.7 (3.1) | 134.4 (3.1) | 130.0 (3.3) | 134.4 (3.1) | |
| Potassium | 3.1 (0.3) | 3.5 (0.3) | 3.1 (0.3) | 3.5 (0.3) | |
Results expressed as mean (SD).
There was no difference on admission and on recovery between the groups.
Increases in sodium and potassium in the two groups are the same.