Table 2 Demographic characteristics of patients with CHF
| Â | Without Readmission | Readmission | P |
|---|---|---|---|
(n = 312) | (n = 142) | ||
Age > =70 | 140 (46.2%) | 79 (56.4%) | 0.018 |
Female | 119 (38.1%) | 77 (54.2%) | 0.004 |
Manual workers | 165 (63.2%) | 66 (53.7%) | 0.153 |
literacy | Â | Â | 0.225 |
 Low | 103 (34.1%) | 46 (33.3%) |  |
 Middle | 160 (53.0%) | 65 (47.1%) |  |
 High | 39 (12.9%) | 27 (19.6%) |  |
Health care | Â | Â | 0.043 |
 City health care | 188 (60.3%) | 105 (73.9%) |  |
 Rural health care | 116 (37.2%) | 35 (24.6%) |  |
 Self- paying | 8 (2.6%) | 2 (1.4%) |  |
Family history | 99 (33.3%) | 40 (29.0%) | 0.496 |
Income | Â | Â | 0.003 |
 Low | 169 (54.2%) | 57 (40.1%) |  |
 Middle | 139 (44.6%) | 76 (53.5%) |  |
 High | 4 (1.3%) | 9 (6.3%) |  |
Smoking history | Â | Â | 0.042 |
 No | 157 (52.0%) | 87 (64.4%) |  |
 smoking cessation | 75 (24.8%) | 32 (23.7%) |  |
 Yes | 70 (23.2%) | 16 (11.9%) |  |
Drinking history | Â | Â | 0.083 |
 No | 199 (63.8%) | 104 (73.2%) |  |
 temperance | 34 (10.9%) | 16 (11.3%) |  |
 Yes | 79 (25.3%) | 22 (15.5%) |  |
NYHA | Â | Â | 0.535 |
 II | 119 (38.1%) | 47 (33.1%) |  |
 III | 123 (39.4%) | 66 (46.5%) |  |
 IV | 70 (22.4%) | 29 (20.4%) |  |
BMI | Â | Â | 0.109 |
  < 18.5 | 23 (7.6%) | 17 (12.5%) |  |
 18.5 ~ 24.9 | 137 (45.4%) | 72 (52.9%) |  |
  ≥ 25 | 142 (44.0%) | 43 (36.8%) |  |