Table 1.
Baseline clinical characteristics
| Chronic (n = 56) | Acute (n = 118) | P | |
|---|---|---|---|
| Age, years | 53.96 ± 10.69 | 57.39 ± 11.15 | 0.052 |
| Male, n (%) | 44 (78.6) | 111 (94.1) | 0.004 |
| Hypertension, n (%) | 49 (87.5) | 102 (86.4) | 1.000 |
| On medication | 8 (14.3) | 15 (12.7) | 0.151 |
| With positive family history | 3 (5.4) | 9 (7.6) | 0.671 |
| Coronary artery disease, n (%) | 18 (32.1) | 30 (25.4) | 0.369 |
| Diabetes, n (%) | 6 (10.7) | 4 (3.4) | 0.078 |
| Hyperlipidemia, n (%) | 2 (3.6) | 13 (11.0) | 0.148 |
| Abuse of alcohol, n (%) | 10 (17.9) | 40 (33.9) | 0.032 |
| Current smoking, n (%) | 38 (67.9) | 71 (60.0) | 0.402 |
| COPD, n (%) | 2 (3.6) | 3 (2.5) | 0.657 |
| Previous stroke, n (%) | 4 (7.1) | 5 (4.2) | 0.713 |
| Previous renal dysfunction, n (%) | 3 (5.4) | 5 (4.2) | 0.471 |
| Complications at admission, n (%) | 9 (16.1) | 25 (21.2) | 0.540 |
| Congestive heart failure | 1 (1.8) | 2 (1.7) | 1.000 |
| Pericardial effusion | 2 (3.6) | 2 (1.7) | 0.595 |
| Acute myocardial infarction | 0 | 0 | NS |
| Pleural effusion | 5 (5.4) | 3 (2.5) | 0.388 |
| Non-pulsation at limbs | 0 | 9 (7.6) | 0.059 |
| Time from onset of symptom to admission, h | 1608 ± 957 | 34 ± 14 | 0.001 |
Abbreviation: COPD, chronic obstructive pulmonary disease.