Does Prior Training Affect Acute O2 Supply Responses During Exercise in Desaturator COPD Patients?

Table 2: Effects of Acute Oxygen Supplementation and Training Program (TP) on WT in COPD Patients

Variables	Before TP		After TP
Variables	AIR	O₂	AIR	O₂
Distance (m)	458.2 ± 20	489.6 ± 19.6†	512.4 ± 20.3*	537.9 ± 19.9*†
SpO2 at rest (%)	93.2 ± 0.6	96.9 ± 0.4†	95 ± 0.8	97,1 ± 0.5†
SpO2 at the end of the test (%)	81.1 ± 1.5	90.9 ± 0.7†	81.1 ± 1.4	91.3 ± 1†
Dyspnoea at rest	1.3 ± 0.3	0.9 ± 0.3	0.7 ± 0.3*	0.8 ± 0.3*
Dyspnoea at the end of the test	6.1 ± 0.6	5.5 ± 0.6†	5.6 ± 0.7*	4.7 ± 0.6*†
HR at rest (bpm)	92 ± 2.8	90.4 ± 2.5	89.8 ± 2.7	90.6 ± 2.8
HR at the end of the test (bpm)	117.7 ± 3	115.1 ± 3.4	119.3 ± 2.7	117 ± 3.4

Values are represented as mean ± SD.*: p<0.05 within group comparison before versus after rehabilitation.†: p<0.05 comparison between O2-WT and the corresponding AIR-WT.