Table 1.
Characteristics and comorbidities of patients with pneumonia, with and without COPD as an underlying disease
| Variable | Value |
P value | |
|---|---|---|---|
| Non-COPD group (230 patients) | COPD group (171 patients) | ||
| No. (%) of males | 144 (62.6) | 146 (85.4) | <0.0001 |
| Mean age (yr) (SD) | 76.8 (7.3) | 77.6 (6.1) | 0.29 |
| No. (%) of patients with comorbidity | |||
| Diabetes mellitus | 46 (20) | 38 (22.2) | 0.59 |
| Chronic renal failure | 10 (4.3) | 5 (2.9) | 0.60 |
| Chronic liver disease | 4 (1.7) | 6 (3.5) | 0.34 |
| Malignancy (solid) | 32 (13.9) | 17 (9.9) | 0.23 |
| Malignancy (hematologic) | 9 (3.9) | 4 (2.3) | 0.57 |
| Heart failure or cardiopathy | 55 (23.9) | 58 (33.9) | 0.03 |
| HIV infection | 1 (0.4) | 0 (0) | 1 |
| Rheumatoid arthritis | 2 (0.9) | 0 (0) | 0.51 |
| Nervous system diseases (Parkinson's or Alzheimer's disease) | 3 (1.3) | 1 (0.6) | 0.64 |
| Obesity | 9 (3.9) | 9 (5.3) | 0.63 |
| No. (%) of patients with hospitalization in the last month | 19 (8.3) | 21 (12.3) | 0.18 |
| No. (%) of patients with antibiotic use in the last month | 11 (4.8) | 23 (13.5) | 0.002 |
| No. (%) of patients with mortality of < 60 days | 17 (7.4) | 10 (5.8) | 0.69 |