Table 2.

Cumulative urine electrolyte output after rehydration

Time After Rehydration, h Trial 0%Trial 1%Trial 2%Trial 4%P Value
Sodium
03.0 ± 1.1 3.0 ± 0.9 3.7 ± 1.23.4 ± 1.8 0.758
1 6.4 ± 2.47.8 ± 1.8 9.0 ± 2.5 7.2 ± 3.60.434
2 10.0 ± 3.7 11.7 ± 2.812.3 ± 2.9 10.6 ± 5.3 0.711
416.2 ± 5.9 17.3 ± 5.4 19.0 ± 3.618.8 ± 8.8 0.837
623.2 ± 7.0 22.2 ± 8.0 24.3 ± 5.227.0 ± 11.5 0.783
Potassium
02.5 ± 0.6 2.2 ± 0.6 2.6 ± 0.91.9 ± 0.8 0.445
1 4.2 ± 0.84.5 ± 2.3 4.0 ± 1.4 3.1 ± 1.10.514
2 6.2 ± 1.0 6.8 ± 3.25.2 ± 1.8 4.4 ± 1.4 0.265
410.2 ± 1.5 10.6 ± 3.5 8.6 ± 2.67.9 ± 2.4 0.287
615.6 ± 3.5 13.9 ± 3.6 12.6 ± 3.012.2 ± 3.6 0.620
Chloride
01.8 ± 1.0 1.8 ± 1.0 2.3 ± 1.51.8 ± 1.5 0.870
1 4.8 ± 2.25.0 ± 1.4 6.0 ± 2.5 4.3 ± 2.20.584
2 7.8 ± 2.6 7.3 ± 1.08.2 ± 3.2 6.8 ± 2.6 0.804
413.3 ± 3.8 11.0 ± 1.3 11.3 ± 4.410.2 ± 3.8 0.474
6 18.8 ± 4.514.2 ± 3.3 14.0 ± 5.9 14.3 ± 5.60.288
  • Values are means ± SD given in mmol.