Table 3.
Observation window characteristics of liberal and restrictive magnesium supplementation groups.
| Variable | Liberal (n = 5474) | Restrictive (n = 3640) |
|---|---|---|
| Mean (SD) serum potassium (mmol/L) | 4.58 (0.50) | 4.58 (0.51) |
| Mean (SD) serum magnesium (mmol/L) | 0.94 (0.21) | 0.95 (0.21) |
| Mean (SD) serum pH | 7.40 (0.06) | 7.40 (0.06) |
| Mean (SD) noradrenaline use (prev. 24 h) (mcg kg min−1) | 0.02 (0.07) | 0.02 (0.07) |
| Number of magnesium administrations (%) | 2640 (48.2) | 1027 (28.2) |
| Number of atrial fibrillation events (%) | 78 (1.42) | 74 (2.03) |