Characteristics of 404 patients with hypomagnesaemia (≤0.76 mmol/l), normomagnesaemia (0.77–1.08 mmol/l), and hypermagnesaemia (≥1.09 mmol/l)
| Data | Hypomagnesaemic patients (n=50; 12.3%) | Normomagnesaemic patients (n=334; 82.6%) | Hypermagnesaemic patients (n=20; 4.9%) | p Value |
|---|---|---|---|---|
| Values are mean (SD). | ||||
| *p<0.005 between hypomagnesaemic and hypermagnesaemic groups and between normomagnesaemic and hypermagnesaemic groups. | ||||
| **p<0.05 between normomagnesaemic and hypermagnesaemic groups. | ||||
| †Dietary assessment was done in 69 random patients. | ||||
| Age (years) | 70.8 (12.3) | 72.6 (10.3) | 79.6 (5.3) | p<0.005* |
| Weight (kg) | 74.7 (13.3) | 73.6 (14.7) | 65.6 (10.9) | p<0.05** |
| Left ventricular ejection fraction (%) | 35.7 (14.05) | 36.6 (13.2) | 36.5 (14.2) | NS |
| Blood pH | 7.4 (0.05) | 7.39 (0.0) | 7.4 (0.0) | NS |
| Serum bicarbonate (mmol/l) | 26.1 (3.5) | 25.4 (4.1) | 24.7 (2.2) | NS |
| Serum chloride (mmol/l) | 101.8 (4.6) | 103 (5.3) | 102 (4.09) | NS |
| Serum phosphorus (mmol/l) | 1.13 (0.23) | 1.2 (0.26) | 1.4 (0.42) | NS |
| Serum potassium (mmol/l) | 4.1 (0.6) | 4.2 (0.5) | 4.1 (0.7) | NS |
| Dietary magnesium (mmol/d)† | 10.5 (4.6) | 9.45 (4.4) | 7.6 (0.0) | NS |