Table 3 Therapeutic response of AECOPD patients with different smoking cessation time
|  | COPD quitting smoking ≤ 5 years (N = 72) | COPD quitting smoking > 5 years (N = 53) | P value |
|---|---|---|---|
Subjects with mMRC improvement, N (%) | 34 (47.2) | 18 (34.0) | 0.147 |
Subjects with cough improvement, N (%) | 27 (37.5) | 10 (18.9) | 0.030 |
Subjects with expectoration improvement, N (%) | 56 (77.8) | 48 (90.6) | 0.089 |
Subjects with expectoration improvement for mild expectoration, N (%) | 41 (71.9) | 43 (89.6) | 0.029 |
Oxygenation index improvement, mmHg | 34.2 ± 14.1 | 29.9 ± 20.2 | 0.166 |
PaCO2 improvement, mmHg | -14.4 ± 8.0 | -6.4 ± 6.2 | 0.000 |
Hospital time, day | 9.5 ± 1.4 | 8.7 ± 1.2 | 0.003 |