Table 2.
Hazard ratios and 95% CIs of midterm mortality according to quartiles of serum calcium among patients with acute myocardial infarction.
| Serum calcium | ||||
|---|---|---|---|---|
| Model | Q1 | Q2 | Q3 | Q4 |
| HR (95% CI) | HR (95% CI) | HR (95% CI) | HR (95% CI) | |
| P | P | P | P | |
| Deaths/N | 45/645 | 27/648 | 23/648 | 29/653 |
| Model 1 | 1.89 (1.14, 3.12) | 1.14 (0.65, 1.99) | Ref | 1.22 (0.70, 2.10) |
| 0.013 | 0.646 | 0.482 | ||
| Model 2 | 1.78 (1.08, 2.94) | 1.14 (0.65, 1.98) | Ref | 1.25 (0.72, 2.15) |
| 0.025 | 0.653 | 0.433 | ||
| Model 3 | 1.86 (1.05, 3.31) | 0.93 (0.49, 1.77) | Ref | 1.48 (0.81, 2.70) |
| 0.033 | 0.833 | 0.206 | ||
Model 1: crude. Model 2: adjusted for age and sex. Model 3: adjusted for age (continuous), sex, history of hypertension, history of stroke, history of coronary heart disease, complicated heart failure, complicated arrhythmia, complicated atrioventricular block, aspirin on admission, percutaneous coronary intervention, coronary angiography, hemoglobin (continuous), uric acid (continuous), eGFR (continuous), serum phosphate (continuous), serum magnesium (continuous), serum potassium (continuous), LVEF (continuous), LAD (continuous), LVEDD (continuous), and IVST (continuous).