Table 2.
Univariate analysis of sociodemographic characteristics in elderly patients with CHD.
| Items | Number of cases (%) | χ2/H | P | |||
|---|---|---|---|---|---|---|
| Non-frail | Pre-frail | Frailty | ||||
| Age | 65~74 | 44 (38.9) | 47 (41.6) | 22 (19.5) | 41.058b | <0.001 |
| 75~84 | 11 (12.1) | 43 (47.3) | 37 (40.7) | |||
| ≥85 | 0 (0.0) | 10 (34.5) | 65.5 (78) | |||
| Gender | Male | 30 (27.3) | 47 (42.7) | 33 (30.0) | 1.941b | 0.379 |
| Female | 25 (20.3) | 53 (43.1) | 45 (36.6) | |||
| Education years | 0~12 | 23 (18.4) | 59 (47.2) | 43 (34.4) | 4.316b | 0.116 |
| ≥13 | 32 (29.6) | 41 (38.0) | 35 (32.4) | |||
| Living situation | Alone | 5 (19.2) | 13 (50.0) | 8 (30.8) | 0.643b | 0.725 |
| Not alone | 50 (24.2) | 87 (42.0) | 70 (33.8) | |||
| Monthly income | <5,000 | 42 (22.8) | 79 (42.9) | 63 (34.2) | 0.377b | 0.828 |
| ≥5,000 | 13 (26.5) | 21 (42.9) | 15 (33.5) | |||
| Smoking | No | 32 (22.4) | (43.4) | 49 (34.3) | 0.322b | 0.851 |
| Yes | 23 (25.6) | 38 (42.2) | 29 (32.2) | |||
| Alcohol consumption | No | 28 (19.2) | 64 (43.8) | 54 (37.0) | 4.762b | 0.092 |
| Yes | 27 (31.0) | 36 (41.4) | 24 (27.6) | |||
| BMI | <19 | 0 (0.0) | 3 (23.1) | 10 (76.9) | 13.294b | 0.039 |
| 19~21 | 6 (21.4) | 13 (46.4) | 9 (32.1) | |||
| 21~23 | 12 (23.5) | 25 (49.0) | 14 (27.5) | |||
| >23 | 37(26.2) | 59(41.8) | 45(31.9) | |||
| Number of drugs | 2.47 ± 2.39a | 3.87 ± 2.30a | 4.50 ± 2.95a | 30.129c | <0.001 | |
| CCI | 3.20 ± 1.01a | 3.90 ± 1.15a | 4.62 ± 1.72a | 38.877c | <0.001 | |
| Hypertension | No | 18 (34.6) | 20 (38.5) | 14 (26.9) | 4.606b | 0.100 |
| Yes | 37 (20.4) | 80 (44.2) | 64 (35.4) | |||
| Diabetes | No | 43 (24.9) | 79 (45.7) | 51 (29.5) | 4.831b | 0.089 |
| Yes | 12 (20.0) | 21 (35.0) | 27 (45.0) | |||
| Heart failure | No | 53 (26.8) | 89 (44.9) | 56 (28.3) | 17.472b | <0.001 |
| Yes | 2 (5.7) | 11 (31.4) | 22 (62.9) | |||
| Atrial fibrillation | No | 50 (24.4) | 88 (42.9) | 67 (32.7) | 0.766b | 0.682 |
| Yes | 5 (17.9) | 12 (42.9) | 11 (39.3) | |||
| Myocardial infarction | No | 53 (23.8) | 95 (42.6) | 75 (33.6) | 0.217b | 0.897 |
| Yes | 2 (20.0) | 5 (50.0) | 3 (30.0) | |||
| Cerebrovascular diseases | No | 49 (23.9) | 89 (43.4) | 67 (32.7) | 0.483b | 0.786 |
| Yes | 6 (21.4) | 11 (39.3) | 11 (39.3) | |||
a
mean ± standard;
b
chi-square test;
c
nonparametric tests.