Table 2 Crude association of potential prognostic determinants with all‐cause mortality in 528 patients.
| Variable | Survivors | Deaths | Hazard ratio (95% CI) | p Value | Missing values |
|---|---|---|---|---|---|
| Number | 288 (55%) | 240 (45%) | |||
| Age (years) | 67 (10.3) | 72 (9.9) | 1.040 (1.026 to 1.053) | <0.0001 | 0 |
| Men | 168 (56%) | 134 (44%) | |||
| Women | 120 (54%) | 106 (46%) | 1.079 (0.836 to 1.392) | 0.560 | 0 |
| Medical history | |||||
| Angina | 66 (23%) | 56 (23%) | 0.990 (0.734 to 1.335) | 0.948 | 0 |
| Myocardial infarction | 54 (19%) | 57 (24%) | 1.253 (0.931 to 1.687) | 0.137 | 0 |
| Hypertension | 112 (39%) | 85 (35%) | 0.884 (0.678 to 1.151) | 0.360 | 0 |
| Stroke | 27 (9%) | 30 (13%) | 1.234 (0.841 to 1.809) | 0.282 | 0 |
| Diabetes | 69 (24%) | 74 (31%) | 1.275 (0.970 to 1.677) | 0.082 | 0 |
| COPD | 19 (7%) | 28 (12%) | 1.485 (1.001 to 2.202) | 0.049 | 0 |
| Physical examination | |||||
| Heart rate (beats/min) | 94 (24.2) | 94 (22.4) | 1.001 (0.996 to 1.007) | 0.622 | 40 (7.6%) |
| SBP (mm Hg) | 144 (27.1) | 139 (28.3) | 0.993 (0.989 to 0.998) | 0.007 | 59 (11.2%) |
| DBP (mm Hg) | 86 (18.5) | 80 (16.5) | 0.984 (0.977 to 0.992) | <0.0001 | 58 (11%) |
| Biochemical data | |||||
| Sodium (mmol/l) | 138 (4.4) | 137 (4.8) | 0.969 (0.943 to 0.995) | 0.020 | 1 (0.2%) |
| Potassium (mmol/l) | 4.1 (0.6) | 4.3 (0.8) | 1.374 (1.157 to 1.632) | <0.0001 | 1 (0.2%) |
| Creatinine (µmol/l) | 109 (51.9) | 141 (100.5) | 1.003 (1.002 to 1.004) | <0.0001 | 1 (0.2%) |
| Haemoglobin (g/l) | 132 (19) | 125 (22) | 0.879 (0.828 to 0.933) | <0.0001 | 2 (0.4%) |
| Plasma glucose (mmol/l) | 8.4 (3.9) | 9.4 (4.8) | 1.034 (1.008 to 1.061) | 0.009 | 96 (18.2%) |
| Drugs at baseline | |||||
| Aspirin | 84 (29) | 64 (27) | 0.962 (0.723 to 1.278) | 0.787 | 10 (2%) |
| ACEI/ARB | 83 (29) | 62 (26) | 0.917 (0.687 to 1.224) | 0.557 | 10 (2%) |
| Diuretic | 116 (40) | 121 (50) | 1.415 (1.099 to 1.822) | 0.007 | 10 (2%) |
| β blocker | 45 (16) | 21 (9) | 0.629 (0.402 to 0.984) | 0.042 | 10 (2%) |
| Statin | 25 (9) | 10 (4) | 0.572 (0.304 to 1.077) | 0.083 | 10 (2%) |
ACEI, angiotensin‐converting enzyme inhibitor; ARB, angiotensin receptor blocker; COPD, chronic obstructive pulmonary disease; DBP, diastolic blood pressure; SBP, systolic blood pressure.