Table 3.
Category | PC (n = 1059) | No-PC (n = 161) |
---|---|---|
Lung cancer | 608 (57.4) | 76 (47.2) |
COPD | 93 (8.8) | 34 (21.1) |
Other pulmonary | 15 (1.4) | 5 (3.1) |
Cardiovascular | 144 (13.6) | 22 (13.7) |
Other cancer | 94 (8.9) | 7 (4.4) |
Infection | 30 (2.8) | 6 (3.7) |
Other cause | 75 (7.1) | 11 (6.8) |
Abbreviations: COPD = chronic obstructive pulmonary disease; PC = pathologic confirmation.