Table 17.
Summary of Studies Showing Effectiveness of Various Rehydration Solutions
| Rehydration solutions | Outcome | Studies (RCT/ non-RCT), n | Subjects, n | Benefit intervention, n | No difference could be demonstrated, n | Benefit water, n |
|---|---|---|---|---|---|---|
| 4%–9% CED | Volume/hydration status | 13 (9/4) | 200 | 7 | 21 | |
| 4%–9% CED | Vital signs | 2 (2/0) | 53 | 3 | ||
| 4%–9% CED | Hyponatremia | 7 (3/4) | 86 | 3 | 9 | |
| 4%–9% CED | Patient satisfaction | 6 (5/1) | 95 | 36 | ||
| 0%–3.9% CED | Volume/hydration status | 6 (5/1) | 53 | 3 | 13 | |
| 0%–3.9% CED | Vital signs | 1 (1/0) | 10 | 1 | ||
| 0%–3.9% CED | Hyponatremia | 5 (4/1) | 45 | 4 | 6 | |
| 0%–3.9% CED | Patient satisfaction | 3 (3/0) | 25 | 16 | 1 | |
| Skim or low-fat cow’s milk | Volume/hydration status | 4 (3/1) | 68 | 12 | ||
| Skim or low-fat cow’s milk | Hyponatremia | 2 (1/1) | 19 | 1 | 2 | |
| Skim or low-fat cow’s milk | Patient satisfaction | 4 (3/1) | 68 | 26 | 6 | |
| Fresh coconut water | Volume/hydration status | 4 (4/0) | 42 | 6 | ||
| Fresh coconut water | Vital signs | 1 (1/0) | 12 | 1 | ||
| Fresh coconut water | Hyponatremia | 3 (3/0) | 30 | 2 | 3 | |
| Fresh coconut water | Patient satisfaction | 4 (4/0) | 42 | 4 | 24 | 1 |
| Coconut water from concentrate | Vital signs | 1 (1/0) | 12 | 1 | ||
| Coconut water from concentrate | Hyponatremia | 1 (1/0) | 12 | 1 | ||
| Coconut water from concentrate | Patient satisfaction | 1 (1/0) | 12 | 5 | 1 | |
| Beer with 4.5%–5% alcohol | Volume/hydration status | 3 (3/0) | 38 | 7 | 1 | |
| Beer with 4.5%–5% alcohol | Hyponatremia | 1 (1/0) | 16 | 1 | ||
| Beer with 0.5%–2% alcohol | Volume/hydration status | 2 (2/0) | 22 | 4 | ||
| Beer with 0% alcohol | Volume/hydration status | 1 (1/0) | 11 | 3 |
CED indicates carbohydrate-electrolyte drink; and RCT, randomized controlled trial.