Variables | Control group (n = 130) | IPA group (n = 35) | P value |
---|---|---|---|
Male | 95 | 26 | 0.87 |
Age,y | 66.4 ± 9.00 | 65.57 ± 8.90 | 0.63 |
History of smoking | 113 | 30 | 0.85 |
Steroid treatment | 84 | 32 | 0.002 |
Hospitalization history (within 1 month) | 14 | 5 | 0.56 |
Admission to ICU | 12 | 4 | 0.70 |
Comorbidity | |||
Diabetes mellitus | 21 | 7 | 0.59 |
Cardiovascular diseases | 17 | 5 | 0.85 |
Extrapulmonary malignant tumor | 15 | 5 | 0.67 |
Bronchoscopy | 83 | 28 | 0.07 |
Pulmonary function | |||
GOLD 1 | 23 | 4 | 0.71 |
GOLD 2 | 34 | 8 | |
GOLD 3 | 51 | 17 | |
GOLD 4 | 22 | 6 |