| without LTOT (n = 73) | with LTOT (n = 73) | p |
---|---|---|---|
age (ys) | 70.9 ± 8.9 | 71.2 ± 9.1 | ns |
FEV 1 % pred. | 40.2 ± 10.3 | 41.6 ± 11.1 | ns |
FEV 1 /FVC | 437 ± 9.2 | 44.2 ± 10.2 | ns |
BMI | 27.5 ± 5.1 | 27.9 ± 6.4 | ns |
Active smokers | 9.6%* | 6.8%* | ns |
Former smokers | 69.9%* | 72.6%* | ns |
PaO 2 (mmHg) | 53.3 ± 7.9 | 54.2 ± 8.3 | ns |
PaCO 2 (mmHg) | 45.8 ± 9.9 | 46.1 ± 10.2 | ns |
CAT score | 19.9 ± 4.9 | 18.8 ± 5,6 | ns |
MRC scale | 2.8 ± 0.7 | 2.7 ± 0.8 | ns |
C.M.I. | 4.2 ± 2.0 | 4.3 ± 1.9 | ns |