Table 1: Laboratory data.
| ED 1 | ED 2 | Admission Day 0 | Day +1 | Day +2 | Day +4 | Month +1 | |
| NaS (mmol/L) | 120 | 117 | 113 | 122 | 126 | 129 | 140 |
| KS (mmol/L) | 4.1 | 3.7 | 3.8 | 3.9 | 3.8 | 3.8 | 4 |
| Glu (mg/dL) | 77 | 75 | 83 | 67 | 79 | 68 | 89 |
| OsmP (mOsm/kg) | 244 | 238 | 231 | 248 | 256 | 262 | 283 |
| CrP (mg/dL) | 0.57 | 0.44 | 0.31 | 0.38 | 0.39 | 0.49 | 0.95 |
| NaU (mmol/L) | 21 | 10 | 31 | 6 | 79 | ||
| KU (mmol/L) | 39 | 23 | 24 | 22 | 8 | ||
| OsmU (mOsm/kg) | 464 | 370 | 522 | 537 | 313 |
Reference values between brackets. NaS: Serum sodium [135-145]; KS: Serum potassium [3.5-5.5]; Glu: Serum glucose [70-110]; OsmP: Plasma osmolality [280-295]; CrS: Serum creatinine [0.5-1]; NaU: Urinary sodium; KU: Urinary potassium; OsmU: Urinary osmolality.