|
Age (years), mean (sd)
|
78.3 (10.7)
|
78.4 (9.5)
|
1.0
|
|
Sex (female), n (%)
|
6415 (19.2)
|
2355 (18.7)
|
1.3
|
|
Pre-admission within180 day, n (%)
|
7997 (24.0)
|
2853 (22.7)
|
3.1
|
|
Japan Coma Scale, n (%)
| | |
20.0
|
|
Alert
|
22972 (68.9)
|
9485 (75.4)
| |
|
Dull
|
6234 (18.7)
|
2198 (17.5)
| |
|
Somnolence
|
2006 (6.0)
|
529 (4.2)
| |
|
Coma
|
2114 (6.3)
|
360 (2.9)
| |
|
Missing
|
1 (0.0)
|
0 (0.0)
| |
|
Body mass index, n (%)
| | |
13.1
|
|
< 18.5
|
11733 (35.2)
|
4372 (34.8)
| |
|
18.5–22.9
|
10081 (30.2)
|
4179 (33.2)
| |
|
23.0–24.9
|
2440 (7.3)
|
1041 (8.3)
| |
|
25.0–29.9
|
1926 (5.8)
|
817 (6.5)
| |
|
≥ 30
|
349 (1.0)
|
170 (1.4)
| |
|
Missing
|
6798 (20.4)
|
1993 (15.9)
| |
|
Smoking index, mean (sd)
|
4218 (596790)
|
719 (1577)
|
0.8
|
|
Barthel index, n (%)
| | |
15.5
|
|
0
|
13601 (40.8)
|
4335 (34.5)
| |
|
5–9
|
2928 (8.8)
|
1422 (11.3)
| |
|
10–14
|
3565 (10.7)
|
1648 (13.1)
| |
|
15–19
|
1882 (5.6)
|
741 (5.9)
| |
|
20
|
4910 (14.7)
|
1775 (14.1)
| |
|
Missing
|
6441 (19.3)
|
2651 (21.1)
| |
|
Hugh-Jones dyspnoea scale score, n (%)
| | |
19.6
|
|
0
|
7076 (21.2)
|
1918 (15.3)
| |
|
1
|
1494 (4.5)
|
513 (4.1)
| |
|
2
|
2412 (7.2)
|
1009 (8.0)
| |
|
3
|
2775 (8.3)
|
1179 (9.4)
| |
|
4
|
5624 (16.9)
|
2823 (22.5)
| |
|
5
|
11574 (34.7)
|
4331 (34.4)
| |
|
Missing
|
2372 (7.1)
|
799 (6.4)
| |
|
Charlson comorbidity index, n (%)
| | |
6.8
|
|
0–1
|
20712 (62.1)
|
7879 (62.7)
| |
|
2–3
|
10494 (31.5)
|
4086 (32.5)
| |
|
≥ 4
|
2121 (6.4)
|
607 (4.8)
| |
|
Intensive care unit admission, n (%)
|
2093 (6.3)
|
1088 (8.7)
|
9.2
|
|
Oxygen intake at admission, n (%)
|
22151 (66.5)
|
8787 (69.9)
|
7.4
|
|
Intubation at admission, n (%)
|
1547 (4.6)
|
478 (3.8)
|
4.2
|
|
Steroid dose (mg), mean (sd)
|
180.6 (611.3)
|
210.6 (620.9)
|
4.9
|
|
Hospital volume, mean (sd)
|
209.4 (139.4)
|
221.1 (131.9)
|
8.6
|
|
Population density of patient living area ≤ 249 persons/km2, n (%)
|
27697 (83.1)
|
10595 (84.3)
|
3.2
|
|
Missing
|
169 (0.5)
|
64 (0.5)
| |
|
Distance between patient residence and hospital (km), mean (SD)
|
6.0 (19.6)
|
7.1 (26.0)
|
4.6
|
