Table 4.
Symptoms at diagnosis and comorbidities for PSM patients
| Patients no (%) | |||
|---|---|---|---|
| Non‐COPD (n = 59) | COPD (n = 59) | P | |
| Symptoms at diagnosis | |||
| Cough | 7 (11.9) | 8 (13.6) | 0.782 |
| Dyspnea | 7 (11.9) | 4 (6.8) | 0.342 |
| Hemoptysis | 7 (11.9) | 2 (34) | 0.083 |
| Fatigue | 2 (3.4) | 2 (3.4) | 0.691 |
| Fever | 6 (10.2) | 5 (8.5) | 0.752 |
| Neurologic symptom | 1 (1.7) | 3 (5.1) | 0.309 |
| Pain | 2 (3.4) | 4 (6.8) | 0.679 |
| Asymptomatic | 27 (45.8) | 31 (52.5) | 0.461 |
| Comorbidities | |||
| Cardiovascular diseases | 36 (61.0) | 33 (55.9) | 0.575 |
| Hypertension | 40 (67.8) | 41 (69.5) | 0.843 |
| Diabetes | 25 (42.4) | 22 (37.3) | 0.573 |
COPD, chronic obstructive pulmonary disease; PSM, propensity score matching.