Table 1 Basic situation of elderly COPD patients (n = 1120)
Items | n | Proportion (%) | |
|---|---|---|---|
Sex | Male | 683 | 60.98 |
Female | 437 | 39.02 | |
Age (years) | 60–69 | 404 | 36.07 |
70–79 | 453 | 40.45 | |
≥ 80 | 263 | 23.48 | |
Hypertension | No | 617 | 55.09 |
Yes | 503 | 44.91 | |
Diabetes | No | 885 | 79.02 |
Yes | 235 | 20.98 | |
Coronary heart disease(CHD) | No | 860 | 76.79 |
Yes | 260 | 23.21 | |
Hypoproteinemia | No | 1097 | 97.95 |
Yes | 23 | 2.05 | |
Hospitalized with acute | < 2 | 618 | 55.18 |
Exacerbation of COPD in | ≥ 2 | 502 | 44.82 |
Past 1 year (times) | |||
Smoking status | Never smoking | 641 | 57.23 |
To give up smoking | 395 | 35.27 | |
Smoking | 84 | 7.50 | |
Smoking quantity (years) | < 10 | 691 | 61.70 |
10–20 | 165 | 14.73 | |
> 20 | 264 | 23.57 | |
Smoking duration (cigarettes/day) | 0 | 642 | 57.32 |
1–10 | 217 | 19.38 | |
11–20 | 174 | 15.54 | |
≥ 21 | 87 | 7.76 | |
PaCO2 (mmHg) | < 35 | 347 | 30.98 |
35–45 | 499 | 44.55 | |
> 45 | 274 | 24.47 | |
PaO2 (mmHg) | < 80 | 867 | 77.41 |
80–100 | 253 | 22.59 | |
SaO2 (%) | < 95 | 876 | 78.21 |
≥ 95 | 244 | 21.79 | |
Respiration rate (times/minute) | < 16 | 111 | 9.91 |
16–20 | 483 | 43.13 | |
> 20 | 526 | 46.96 | |
Seasonal factors | Spring | 231 | 20.63 |
Summer | 241 | 21.52 | |
Autumn | 299 | 26.70 | |
Winter | 349 | 31.16 | |
Long-term home oxygen therapy | No | 806 | 71.96 |
Yes | 314 | 28.04 | |
Regular medication | No | 860 | 76.79 |
Yes | 260 | 23.21 | |
Rehabilitation exercise | No | 774 | 69.11 |
Yes | 346 | 30.89 | |
CAT | Slight symptoms | 40 | 3.57 |
Medium | 380 | 33.93 | |
Serious | 586 | 52.32 | |
Very serious | 114 | 10.18 | |
mMRC | Level 0 | 113 | 10.09 |
Level 1 | 259 | 23.12 | |
Level 2 | 368 | 32.86 | |
Level 3 | 285 | 25.45 | |
Level 4 | 95 | 8.48 | |
ADL | Completely independent | 167 | 14.91 |
Mild dysfunction | 650 | 58.04 | |
Moderate dysfunction | 196 | 17.50 | |
Severe dysfunction or complete dependence | 107 | 9.55 | |
GDS | There is no depression | 481 | 42.95 |
Mild depression | 479 | 42.77 | |
Moderate to severe depression | 160 | 14.28 | |
Nutritional condition | Normal nutritional status | 307 | 27.41 |
Risk of malnutrition | 502 | 44.82 | |
Malnutrition | 311 | 27.77 | |