Table 2: Demographics, clinical and lab characteristics of hyponatremia groups.
Characteristics | No Hyponatremia n = 535 | Hyponatremia n = 128 | P | ||
n | Median (IQR) | n | Median (IQR) | ||
Age, y | 534 | 4 (2-9) | 128 | 5 (3-8) | 0.04 |
LOS (days) | 302 | 2 (1-3) | 91 | 2 (2-3) | 0.24 |
Glucose (mg/dL) | 534 | 107 (95-123) | 127 | 107 (96-125) | 0.59 |
Bicarbonate (mEq/L) | 528 | 21.2 (19.3-22.9) | 127 | 20.5 (18.9-22.2) | 0.02 |
Anion gap | 531 | 11.6 (9.5-14) | 127 | 10.9 (9.2-13.1) | 0.11 |
WBC (109/L) | 444 | 11 (7.7-15.6) | 114 | 13.5 (7.9-18.2) | 0.04 |
Band (%) | 394 | 12 (6-22) | 105 | 14 (9-23) | 0.12 |
CRP (mg/L) | 175 | 3.5 (1-10.3) | 56 | 7.2 (3-15.4) | 0.004 |
Max body temperature in the emergency department, ℃ | 534 | 38.7 (38.3-39.3) | 128 | 39 (38.6-39.5) | < 0.001 |
LOS: Length of Hospital Stay; CRP: C-Reactive Protein; WBC: White Blood Cell Count. Wilcoxon Rank Sum test used.