Male sex
|
1962
|
75.4
|
159
|
75
|
− 0.9
|
1971
|
75.5
|
137
|
72.1
|
− 7.6
|
Age, years
|
15–70
|
640
|
24.6
|
64
|
30.2
|
12.6
|
655
|
25.1
|
54
|
28.4
|
8.2
|
71–80
|
1147
|
44.1
|
104
|
49.1
|
10
|
1159
|
44.4
|
91
|
47.9
|
6.7
|
≥ 80
|
805
|
30.9
|
43
|
20.3
|
− 24.6
|
787
|
30.1
|
43
|
22.6
|
− 17.2
|
Missing data
|
10
|
0.4
|
1
|
0.5
|
1.3
|
10
|
0.4
|
2
|
1.1
|
7.3
|
Treatment year
|
2014
|
546
|
21
|
38
|
17.9
|
− 7.7
|
541
|
20.7
|
36
|
18.9
|
− 4.6
|
2015
|
566
|
21.8
|
60
|
28.3
|
15.2
|
583
|
22.3
|
41
|
21.6
|
− 1.7
|
2016
|
531
|
20.4
|
43
|
20.3
|
− 0.3
|
532
|
20.4
|
41
|
21.6
|
3.7
|
2017
|
472
|
18.1
|
42
|
19.8
|
4.3
|
475
|
18.2
|
29
|
15.3
|
− 7.6
|
2018
|
487
|
18.7
|
29
|
13.7
|
− 13.7
|
482
|
18.5
|
42
|
22.1
|
9.7
|
BMI (kg/m2)
|
< 23
|
1282
|
49.3
|
105
|
49.5
|
0.5
|
1288
|
49.3
|
102
|
53.7
|
9.1
|
23–25
|
507
|
19.5
|
35
|
16.5
|
− 7.8
|
500
|
19.1
|
29
|
15.3
|
− 10.2
|
≥ 25
|
555
|
21.3
|
52
|
24.5
|
7.6
|
567
|
21.7
|
43
|
22.6
|
1.9
|
Missing data
|
258
|
9.9
|
20
|
9.4
|
− 1.6
|
257
|
9.8
|
16
|
8.4
|
− 5.2
|
Hugh–Jones dyspnoea score upon admission
|
1–2
|
205
|
7.9
|
15
|
7.1
|
− 3.1
|
202
|
7.7
|
13
|
6.8
|
− 3.2
|
3
|
168
|
6.5
|
8
|
3.8
|
− 12.2
|
163
|
6.2
|
11
|
5.8
|
− 2.7
|
4
|
329
|
12.6
|
23
|
10.8
|
− 5.6
|
324
|
12.4
|
18
|
9.5
|
− 9.7
|
5
|
1177
|
45.2
|
69
|
32.5
|
− 26.2
|
1154
|
44.2
|
85
|
44.7
|
0.7
|
Missing data
|
723
|
27.8
|
97
|
45.8
|
37.9
|
767
|
29.4
|
64
|
33.7
|
9
|
Japan Coma Scale score upon admission
|
0- or 1-digit (alert or dull)
|
2460
|
94.5
|
195
|
92
|
− 10.2
|
2463
|
94.3
|
180
|
94.7
|
2.7
|
2-digit (somnolence)
|
73
|
2.8
|
9
|
4.2
|
7.8
|
77
|
2.9
|
4
|
2.1
|
− 3.8
|
3-digit (coma)
|
69
|
2.7
|
8
|
3.8
|
6.4
|
72
|
2.8
|
5
|
2.6
|
0
|
Charlson Comorbidity Index
|
0
|
545
|
20.9
|
45
|
21.2
|
0.7
|
544
|
20.8
|
39
|
20.5
|
− 0.2
|
1
|
357
|
13.7
|
27
|
12.7
|
− 2.9
|
358
|
13.7
|
28
|
14.7
|
2.7
|
2
|
510
|
19.6
|
34
|
16
|
− 9.3
|
504
|
19.3
|
32
|
16.8
|
− 5.7
|
≥ 3
|
303
|
11.6
|
21
|
9.9
|
− 5.6
|
302
|
11.6
|
20
|
10.5
|
− 3.0
|
Missing data
|
887
|
34.1
|
85
|
40.1
|
12.5
|
904
|
34.6
|
70
|
36.8
|
4.7
|
Smoking index, pack-years
|
0
|
1113
|
42.8
|
79
|
37.3
|
− 11.3
|
1104
|
42.3
|
81
|
42.6
|
0.5
|
1–39
|
546
|
21
|
50
|
23.6
|
6.3
|
553
|
21.2
|
37
|
19.5
|
− 4.8
|
≥ 40
|
618
|
23.8
|
51
|
24.1
|
0.7
|
618
|
23.7
|
37
|
19.5
|
− 10.8
|
Missing data
|
325
|
12.5
|
32
|
15.1
|
7.6
|
337
|
12.9
|
36
|
18.9
|
16.7
|
ADL upon admission (Barthel Index)
|
100
|
519
|
19.9
|
53
|
25
|
12.1
|
526
|
20.1
|
33
|
17.4
|
− 6.6
|
≤ 95
|
1612
|
62
|
118
|
55.7
|
− 12.8
|
1607
|
61.5
|
120
|
63.2
|
3.7
|
Missing data
|
471
|
18.1
|
41
|
19.3
|
3.2
|
479
|
18.3
|
36
|
18.9
|
2.0
|
History of previous hospitalisation
|
0
|
1457
|
56
|
110
|
51.9
|
− 8.2
|
1455
|
55.7
|
108
|
56.8
|
2.4
|
1–2
|
792
|
30.4
|
78
|
36.8
|
13.5
|
807
|
30.9
|
57
|
30.0
|
− 1.9
|
≥ 3
|
353
|
13.6
|
24
|
11.3
|
− 6.8
|
350
|
13.4
|
25
|
13.2
|
− 0.9
|
Academic hospital
|
2169
|
83.4
|
179
|
84.4
|
2.9
|
2179
|
83.5
|
164
|
86.3
|
7.6
|
ICU admission
|
665
|
25.6
|
68
|
32.1
|
14.4
|
683
|
26.2
|
55
|
28.9
|
6.3
|