Table 2.
Outcomes of patients by Mg level
| Outcome | Normal serum Mg (n=63) | Hypomagnesemia (n=46) | Total (n=109) | P-value |
|---|---|---|---|---|
| Incidence of delirium | 18 (28.6) | 17 (37.0) | 35 (32.1) | 0.47 |
| Delirium- or coma-free day | 2.0 (0.0–4.0) | 1.0 (0.0–3.0) | 1.0 (0.0–3.0) | 0.14 |
| Mechanical ventilation | 49 (77.8) | 37 (80.4) | 86 (78.9) | 0.92 |
| Duration of mechanical ventilation (day) | 3.0 (1.0–6.0) | 4.0 (2.0–7.0) | 4.0 (2.0–7.0) | 0.55 |
| Ventilator-free day | 3.0 (0.5–5.0) | 1.0 (0.0–3.0) | 2.0 (0.0–5.0) | 0.09 |
| ICU length of stay | 6.0 (4.0–11.0) | 5.5 (3.0–11.0) | 6.0 (4.0–11.0) | 0.40 |
| Hospital length of stay | 29.0 (19.5–61.5) | 39.0 (18.0–83.0) | 31.0 (19.0–69.0) | 0.31 |
| ICU mortality | 18 (28.6) | 8 (17.4) | 26 (23.9) | 0.26 |
| 28-Day mortality | 21 (33.3) | 11 (23.9) | 32 (29.4) | 0.39 |
Values are presented as number (%) or median (interquartile range).
Mg: magnesium; ICU: intensive care unit