Table 1.
Baseline characteristics of the patients hospitalized with AE-COPD
Parameters | Total (n=72) |
---|---|
Age, mean (SD), years | 59 (9.6) |
Male, n (%) | 66 (91.66) |
Smoking status, n (%) | |
Non-smoker | 8 (11.11) |
Ex-smoker | 33 (45.83) |
Current smoker | 31 (43.05) |
Pack years of smoking, mean (SD) | 33.06 (21.73) |
BMI, mean (SD) | 19.73 (2.45) |
Number of acute exacerbation 2 (1) in previous year, mean (SD) | |
Home oxygen use, n (%) | 8 (11.11) |
Inhaled corticosteroids use, n (%) | 52 (72.22) |
Systemic steroid use, n (%) | 10 (13.89) |
Post bronchodilator lung function, mean (SD) | |
FEV1, L | 1.23 (0.48) |
FEV1, % predicted | 54 (18) |
FVC, L | 2.51 (0.56) |
FVC, % predicted | 84 (14) |
FEV1/FVC ratio | 48.21 (12.79) |
Arterial blood gas analysis | |
pH | 7.41 (0.06) |
pO2, mmHg | 73.7 (11.9) |
pCO2, mmHg | 40.9 (6.45) |
Exacerbation type*, n (%) | |
Type 1 | 28 (38.39%) |
Type 2 | 32 (44.44%) |
Type 3 | 12 (16.67%) |
GOLD stage (severity), n (%) | |
Mild | 5 (6.94%) |
Moderate | 37 (51.39%) |
Severe | 23 (31.94%) |
Very severe | 7 (9.72%) |
Note: values are given either in number (%) or mean (SD) AE-COPD: acute exacerbation chronic obstructive pulmonary disease; BMI: Body Mass Index; FEV1: forced expiratory volume in one second; FVC: forced vital capacity; GOLD: Global initiative of Obstructive Lung Diseases; SD: standard deviation
Anthonisen’s criteria