Sex |
|
Male |
10 865 (67.8) |
Smoking status n=15 181 |
|
Current smoker |
5012 (31.3) |
Ex-smoker |
9317 (58.2) |
Never-smoker |
852 (5.3) |
Age years |
|
Total |
70.8±10.8 |
Male |
71.4±10.4 |
Female |
69.5±11.3 |
BMI kg·m−2n=9011 |
|
Total |
26.6±6.5 |
Male |
26.6±5.9 |
Female |
26.7±7.5 |
Symptoms on admission |
|
Dyspnoea increase |
15 409 (96.2) |
Sputum increase |
10 373 (64.8) |
Sputum colour change |
8134 (50.8) |
Previous admissions during the past 12 months n=14 641 |
|
0 |
6907 (47.2) |
1 |
3498 (23.9) |
>1 |
4236 (28.9) |
FEV1% predicted n=7958 |
44.0±17.5 |
GOLD stage in spirometry-proven COPD n=7958 |
|
I |
195 (2.4) |
II |
2175 (26.5) |
III |
3737 (45.5) |
IV |
2098 (25.6) |
Blood gas analysis |
|
pH n=13 041 |
|
>7.35 |
10 589 (81.2) |
7.25–7.35 |
1921 (14.7) |
<7.25 |
531 (4.1) |
PaCO2kPa n=13 069 |
|
>6 |
5933 (45.4) |
>8 |
2164 (16.6) |
Ventilatory support n=15 496 |
|
No ventilatory support |
13 142 (84.8) |
Only NIV |
2068 (13.3) |
Only IV |
219 (1.4) |
NIV and IV |
67 (0.4) |
Radiography n=15 765 |
|
Normal |
3555 (22.2) |
Any pathology |
12 212 (76.2) |
Medication on admission n=16 016 |
|
Systemic corticosteroids |
13 187 (82.3) |
Antibiotics |
13 773 (86.0) |