Outcome parameters | COPD | ILD | Controls | |
---|---|---|---|---|
LTOT | No LTOT | |||
No oxygen | No oxygen | No oxygen | No oxygen | |
SD from the centre of the road | 2.39 (1.93–2.89) #* | 0.69 (0.49–0.87) # | 0.37 (0.31–0.41) | 0.36 (0.30–0.43) |
Off-road events (no) | 226.67 (129.72–481.29) #† | 78.92 (33.72–102.92) # | 40.00 (18.00–47.34) | 25.78 (2.67–64.67) |
Non-response (seconds) | 3.0 (0.0–13.0) | 1.5 (1.0–2.5) | 1.0 (0.0–2.0) | 2.0 (0.0–5.0) |
Response time (seconds) | 3.19 (2.72–5.28) | 2.55 (2.47–2.95) | 3.09 (2.59–4.61) | 3.73 (2.49–4.59) |
#p<0.05 compared to controls, *p<0.05 compared to patients with COPD not receiving LTOT and ILD without oxygen supply, †p<0.05 compared to ILD without oxygen supply.
COPD, chronic obstructive pulmonary disease; ILD, interstitial lung disease; LTOT, long-term oxygen therapy.