Table 1. Characteristics of the patients between AECOPD with and without CAP.
| - | COPD without CAP Group (No,=100) | COPD with CAP Group (No,=90) | Chi square test/ | |||
| p value | ||||||
| Age | Mean ±SD | 64 ±8 | 62±12. | 0.098 | ||
| Pack/yr | Mean ±SD | 88.90±38.60 | 87.84±41.73 | 0.857 | ||
| Length of hospital stay(days) | Mean ±SD | 7.57±2.24 | 11.30±3.23 | <0.001** | ||
| COPD Assessment Test (CAT) | Mean± SD | 28.95±6.01 | 28.56±5.72 | 0.647 | ||
| mMRC Dyspnea scale | Mean± SD | 2.91±0.64 | 2.95±0.48 | 0.592 | ||
| - | No | % | No | % | Independent t test | |
| p value | ||||||
| LTOT | No | 87 | 87.0% | 76 | 84.4% | 0.614 |
| Yes | 13 | 13.0% | 14 | 15.6% | ||
| Comorbidities | Congestiveheart failure | 20 | 20.0% | 18 | 20.0% | 0.057 |
| Chronickidney disease | 5 | 5.0% | 10 | 11.1% | ||
| DM | 25 | 25.0% | 26 | 28.9% | ||
| No | 50 | 50.0% | 36 | 40.0% | ||
| MedicationBefore Admission | LCS | 28 | 28.0% | 8 | 9.1% | 0.123 |
| LABA | 18 | 18.0% | 5 | 5.7% | ||
| SABA | 2 | 2.0% | 0 | 0.0% | ||
| LAMA | 10 | 10.0% | 3 | 3.4% | ||
| LCS+ LABA | 42 | 42.0% | 30 | 33.3% | ||
AECOPD: acute exacerbations of chronic obstructive pulmonary disease; CAP: community-acquired pneumonia; CAT: chronic obstructive pulmonary disease assessment test;; mMRC: modified Medical Research Council; n: number; SD: standard deviation; LTOT: long term oxygen therapy; ;**: P < 0.01: Highly significant (HS).