From: Role of long-term oxygen therapy in interstitial lung diseases
Baseline
One year
P value
Ejection fraction (%)
63.51 ± 5.33
66.40 ± 4.91
< 0.001
PASP (mmHg)
47.53 ± 25.63
47 ± 24.59
0.64
Dimensions
Normal
44 (62.9%)
DRS
23 (32.9%)
LVH
3 (4.3%)