Table 2.
Laboratory findings of the studied patients at the time of admission to emergency department
| Variable | Number (%) |
|---|---|
| Sodium (mEq/dL) | |
| < 135 | 12 (3.6) |
| 135 – 145 | 248 (74.7) |
| > 145 | 72 (21.7) |
| Potassium (mEq/dL) | |
| < 3.5 | 10 (3.0) |
| 3.5 – 5.5 | 305 (91.9) |
| > 5.5 | 17 (5.1) |
| Blood urea nitrogen (mg/dl) | |
| < 20 | 48 (14.5) |
| ≥ 20 | 284 (85.5) |
| Creatinine (mg/dl) | |
| < 1.6 | 326 (96.1) |
| ≥ 1.6 | 13 (3.9) |
| Aspartate aminotransferase (U/L) | |
| < 40 | 56 (91.8) |
| ≥ 40 | 5 (8.2) |
| Alanine aminotransferase (U/L) | |
| < 40 | 57 (95.0) |
| ≥ 40 | 3 (5.0) |
| pH | |
| <7.35 | 85 (33.1) |
| 7.35 -7.45 | 133 (51.8) |
| >7.45 | 69 (15.2) |
| HCO3 (mmol/L) | |
| < 22 | 128 (50.6) |
| 22 – 26 | 75 (29.6) |
| ≥ 26 | 50 (19.8) |
| PCO2 (mmHg) | |
| <35 | 99 (28.4) |
| 35 – 45 | 104 (40.8) |
| ≥ 45 | 52 (20.4) |