Pooled data analysis
| Drink (D) vs no drink (ND) | Water (W) vs sports drink (SD) | |
| Seconds difference between paired swims Mean (95% CI) | D−ND time 0.027 (0.186 to −0.113) | W−SD time 0.151 (0.309 to −0.002) |
| 50 m time/sMean (SEM) | ND 38.077 (0.128) | SD 38.031 (0.184) |
| D 38.105 (0.131) | W 38.182 (0.186) | |
| Change in thirst VAS 10-point scale | ND +1.96 From 2.63 to 4.00 | SD +0.05 From 4.84 to 4.90 |
| D −0.05 From 4.84 to 4.77 | W −0.18 From 4.83 to 4.65 | |
| Urine output mL/kg Mean (SEM) | ND <0.01 (<0.01) | SD 1.02 (0.50) |
| D 1.22 (0.50) | W 1.54 (0.74) | |
| Volume drunk/mL | ND 0 (0) | SD 488.0 (51.8) |
| D 409.0 (11.5) | W 339.8 (47.2) |
VAS, visual analogue scale.