Table 1 Characteristics of the 19 patients in the study
From: MMP-9, TIMP-1 and inflammatory cells in sputum from COPD patients during exacerbation
Median | IQR | |
|---|---|---|
Age, yr | 69 | 63 to 74 |
FEV1, L (stable) | 1.0 | 0.9 to 1.2 |
FEV1, % | 37.6 | 27.3 to 46.2 |
FEV1/FVC | 45.2 | 25.9 to 54.8 |
pO2 (kPa) | 9.27 | 8.45 to 9.51 |
pCO2 (kPa) | 5.66 | 5.49 to 6.36 |
O2 saturation breathing room air (%) | 94 | 92 to 95 |
Reversibility to salbutamol (%) | 9.7 | 5.0 to 13.5 |
% | ||
Males | 85 | |
Ex smokers | 60 | |
Current smokers | 40 | |
Daily taking oral steroids | 5 | |
Daily taking inhaled steroids | 90 |