Variables | Time | M group | HS group | p value |
---|---|---|---|---|
Serum osmolality, mOsmol/kg | T0 | 296.3 ± 11.2bcfg | 295.7 ± 7.4bcd | 0.847 |
T15min | 301.6 ± 10.5acdefg | 299.6 ± 7.3acdefg | 0.515 | |
T30min | 298.9 ± 10.1abdefg | 298.4 ± 7.4abefg | 0.875 | |
T60min | 297.0 ± 8.3bcfg | 297.8 ± 7.0abfg | 0.770 | |
T120min | 296.7 ± 9.7bcfg | 296.6 ± 6.6bcg | 0.963 | |
T240min | 294.9 ± 10.3abcdeg | 295.9 ± 6.5bcdg | 0.751 | |
T360min | 292.4 ± 9.1abcdef | 294.1 ± 6.6bcdef | 0.527 | |
Serum osmolal gap*, mOsmol/kg | T0 | 3.6 ± 12.1bcgf | 2.2 ± 6.9b | 0.684 |
T15min | 16.4 ± 11.4acdefg | −0.9 ± 6.2acd | <0.001 | |
T30min | 10.8 ± 12.3abdefg | 2.0 ± 6.9b | 0.014 | |
T60min | 5.3 ± 8.9bcfg | 1.3 ± 6.8b | 0.142 | |
T120min | 3.7 ± 11.1bcg | 0.8 ± 7.2 | 0.368 | |
T240min | 2.4 ± 12.1bcd | −0.1 ± 8.1 | 0.470 | |
T360min | −0.1 ± 10.1abcde | 0.2 ± 6.5 | 0.905 | |
Serum sodium, mmol/L | T0 | 137.0 ± 2.1bc | 137.3 ± 2.8bcd | 0.723 |
T15min | 133.6 ± 2.6acdefg | 141.4 ± 3.1acdefg | <0.001 | |
T30min | 134.9 ± 3.1abdef | 139.2 ± 3.5abg | 0.001 | |
T60min | 136.6 ± 2.8bc | 139.1 ± 3.2abg | 0.018 | |
T120min | 136.8 ± 3.4bc | 138.5 ± 3.7b | 0.164 | |
T240min | 136.4 ± 3.2bc | 138.1 ± 3.3b | 0.139 | |
T360min | 136.1 ± 3.5b | 137.5 ± 2.9bcd | 0.202 | |
Urine osmolality, mOsmol/kg | T0 | 825.8 ± 92.1bcde | 824.2 ± 181.3bcdef | 0.973 |
T15min | 659.0 ± 123.0aefg | 727.4 ± 181.1a | 0.198 | |
T30min | 638.1 ± 80.1adefg | 692.6 ± 186.2adfg | 0.264 | |
T60min | 677.7 ± 79.0acefg | 731.1 ± 169.2ac | 0.236 | |
T120min | 727.3 ± 84.9abcdfg | 719.3 ± 182.2a | 0.868 | |
T240min | 788.5 ± 92.0bcde | 738.7 ± 209.3ac | 0.354 | |
T360min | 808.9 ± 162.9bcde | 759.8 ± 224.3c | 0.461 | |
Urine sodium, mmol/L | T0 | 199.2 ± 44.2bcdefg | 218.8 ± 63.3f | 0.294 |
T15min | 115.4 ± 30.6af | 210.5 ± 59.8f | <0.001 | |
T30min | 106.7 ± 22.1adfg | 214.7 ± 44.4ef | <0.001 | |
T60min | 116.6 ± 30.7acf | 214.6 ± 47.8ef | <0.001 | |
T120min | 116.8 ± 36.5af | 199.1 ± 50.1cd | <0.001 | |
T240min | 140.9 ± 33.5abcde | 184.7 ± 51.7abcd | 0.005 | |
T360min | 137.4 ± 53.0ac | 195.1 ± 56.3d | 0.004 | |
Urine SG, kg/m3 | T0 | 1.030 ± 0.007 | 1.028 ± 0.007bcdefg | 0.421 |
T15min | 1.029 ± 0.006e | 1.023 ± 0.007a | 0.007 | |
T30min | 1.029 ± 0.006e | 1.021 ± 0.007adef | <0.001 | |
T60min | 1.031 ± 0.006 | 1.022 ± 0.006ac | <0.001 | |
T120min | 1.033 ± 0.006bc | 1.022 ± 0.006ac | <0.001 | |
T240min | 1.032 ± 0.006 | 1.023 ± 0.007ac | <0.001 | |
T360min | 1.030 ± 0.009 | 1.023 ± 0.007a | 0.008 | |
Cumulative fluid intake, mL | T0 | 0 | 0 | / |
T15min | 132 ± 16 | 131 ± 18 | 0.973 | |
T30min | 179 ± 23 | 187 ± 30 | 0.419 | |
T60min | 280 ± 84 | 257 ± 51 | 0.344 | |
T120min | 423 ± 102 | 381 ± 93 | 0.218 | |
T240min | 617 ± 144 | 647 ± 139 | 0.536 | |
T360min | 813 ± 186 | 855 ± 219 | 0.537 | |
Cumulative urine output, mL | T0 | 0 | 0 | / |
T15min | 76 ± 45 | 49 ± 22 | 0.035 | |
T30min | 167 ± 66 | 94 ± 37 | <0.001 | |
T60min | 300 ± 108 | 171 ± 71 | <0.001 | |
T120min | 449 ± 155 | 303 ± 121 | 0.004 | |
T240min | 662 ± 183 | 537 ± 189 | 0.050 | |
T360min | 835 ± 221 | 775 ± 253 | 0.455 | |
Cumulative fluid balance†, mL | T0 | 0 | 0 | / |
T15min | 56 ± 47 | 83 ± 28 | 0.051 | |
T30min | 12 ± 69 | 93 ± 49 | <0.001 | |
T60min | −20 ± 139 | 86 ± 84 | 0.010 | |
T120min | −26 ± 179 | 79 ± 131 | 0.058 | |
T240min | −45 ± 233 | 110 ± 194 | 0.042 | |
T360min | −23 ± 267 | 81 ± 255 | 0.250 |