Variable |
|
Hospital |
|
Whole Cohort |
Utilization Cohort |
Ward Cohort |
N=405 |
N=210 |
N=118 |
Age, year, mean (SD) |
71.4 (11.5) |
71.8 (10.1) |
71.3 (10.3) |
Sex, male, n (%) |
198 (48.9) |
104 (49.5) |
53 (44.9) |
LOS ward, days, median (Q1-Q3) |
6.0 (4.0-9.0) |
6.0 (4.0-9.0) |
6.0 (4.0-11.0) |
Reason for admission, n (%) |
|
|
|
COPD |
278 (68.6) |
148 (70.5) |
80 (67.8) |
COPD/pneumonia |
114 (28.1) |
56 (26.7) |
33 (28.0) |
COPD/CHF |
13 (3.2) |
6 (2.9) |
5 (4.2) |
COPD confirmed with spirometry, n (%) |
|
|
|
Yes |
330 (81.5) |
169 (80.5) |
92 (78.0) |
No |
3 (0.7) |
3 (1.4) |
2 (1.7) |
Not available |
72 (17.8) |
38 (18.1) |
24 (20.3) |
Post bronchodilator spirometry, mean (SD) |
|
|
|
At admission |
|
|
|
FEV1,% predicted |
32.3 (14.8) |
32.3 (14.4) |
32.7 (16.4) |
FEV1/FVC,% |
49.1 (14.3) |
48.8 (14.8) |
50.3 (15.6) |
At discharge |
|
|
|
FEV1,% predicted |
35.6 (15.7) |
36.1 (16.5) |
37.1 (18.8) |
FEV1/FVC,% |
47.5 (14.9) |
47.9 (15.5) |
50.9 (18.3) |
Comorbidities, n (%) |
|
|
|
Home oxygen |
67 (16.5) |
36 (17.1) |
27 (22.9) |
Obstructive Sleep Apnea |
45 (11.1) |
29 (13.8) |
19 (16.1) |
Hypercapnia |
19 (4.7) |
10 (4.8) |
8 (6.8) |
Bronchiectasis |
30 (7.4) |
17 (8.1) |
12 (10.2) |
Pulmonary Fibrosis |
1 (0.3) |
0 (0.0) |
0 (0.0) |
Asthma |
24 (5.9) |
11 (5.2) |
4 (3.4) |