Number/Mean

Frequency

N Patients

1167

Age

67 ± 10

Gender (Male)

1130

97%

Smoking (current or former)

1126

96%

Pack years

61 ± 28

Comorbidities ≥ 1

1010

86.5%

mMRC ≥ 2

748

64%

FEV1 (L)

1.16 ± 0.48

FEV1 (%)

43 ± 16

FEV1/FVC (%)

57 ± 10

GOLD III/IV

822

70%

PaO₂ (mmHg)

68 ± 11

PaCO₂ (mmHg)

41 ± 7

N AECOPD/year

2.8 ± 1.85

N H Pulmonary Department/year

1.22 ± 0.96

H in ICU

338

29%

Chronic Respiratory Failure

652

55.9%

Home Oxygen

192

16.5%

Follow-up (year)

4.1 ± 3