Table 1 Patient characteristics
Total | |
|---|---|
(n = 1,559) | |
Age, years, median (IQR) | 64 (46–74) |
Male, n (%) | 639 (41) |
Smoking history, n (%) | |
Nonsmoker | 885 (57) |
Current/past smoker | 414 (27) |
Unknown | 260 (17) |
Japan Coma Scale on admission, n (%) | |
Alert | 1187 (76) |
Confusion | 245 (16) |
Somnolence | 62 (4) |
Coma | 65 (4) |
Comorbidities on admission, n (%) | |
Coronary artery diseases | 11 (1) |
Congestive heart failure | 112 (7) |
Cerebral vascular disease | 112 (7) |
Dementia | 11 (1) |
Chronic lung disease | 39 (3) |
Connective tissue disease | 220 (14) |
Chronic liver disease | 62 (4) |
Diabetes | 169 (11) |
Chronic kidney disease | 177 (11) |
Malignancy | 124 (8) |
Acquired immunodeficiency syndrome | 2 (0) |
Ambulance use, n (%) | 481 (31) |
ICU admission, n (%) | 618 (40) |