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Patient level characteristics of liberal and restrictive magnesium supplementation groups.
| Variable | Liberal | Restrictive |
|---|---|---|
| Age (years), median (IQR) | 62 (23) | 61 (24) |
| Sex (%) | Female: 50 | Female: 51 |
| Length of stay (days), median (IQR) | 4.4 (5.9) | 4.7 (6.7) |
| APACHE II score, median (IQR) | 17 (9) | 17 (9) |
| Unit mortality (%) | 10.9 | 11.8 |
