Table 4.
Effects of PR on Gas Exchanges of Patients with a Normal and Poor WE
| All (N=45) | Gr 1 Normal WE (N=21) | Gr 2 Poor WE (N=24) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Pre-PR | Post-PR | P Pre vs Post |
Pre-PR | Post-PR | P Pre vs Post |
Pre-PR | Post-PR | P Pre vs Post |
P Pre-PR Gr 1 vs 2 |
P Post-PR Gr 1 vs 2 |
|
| SpO2 at rest (%) | 95.2±2.5 | 95.5±1.8 | 0.377 | 95.2±2.4 | 95.6±1.5 | 0.310 | 95.3±2.6 | 95.3±2.1 | 0.824 | 0.937 | 0.601 |
| SpO2 at exercise (%) | 93.9±4.7 | 94.0±4.1 | 0.769 | 94.9±2.5 | 95.0±2.6 | 0.893 | 93.1±6.0 | 93.2±5.1 | 0.798 | 0.187 | 0.146 |
| PETCO2 at rest (mmHg) | 34.6±6.3 | 34.6±6.9 | 1.000 | 34.3±6.3 | 34.5±9.1 | 0.915 | 34.8±6.4 | 34.7±4.5 | 0.907 | 0.793 | 0.912 |
| PETCO2 at exercise (mmHg) | 39.5±7.7 | 39.9±9.1 | 0.594 | 38.6±8.7 | 38.7±11.6 | 0.971 | 40.2±6.7 | 41.0±6.3 | 0.493 | 0.494 | 0.391 |
| RER | 1.02±0.11 | 1.04±0.11 | 0.332 | 1.07±0.07 | 1.07±0.07 | 0.953 | 0.99±0.12 | 1.01±0.13 | 0.295 | 0.006* | 0.059 |
Notes: P pre vs post: P value of the comparison between pre-PR and post-PR; P pre-PR Gr 1 vs Gr 2: P value of the comparison of pre-PR parameters between Gr 1 and Gr 2; P post-PR Gr 1 vs Gr 2: P value of the comparison of post-PR parameters between Gr 1 and Gr 2.
Abbreviations: SpO2, peripheral capillary oxygen saturation; PETCO2, partial pressure of end-tidal carbon dioxide; RER, respiratory exchange ratio; PR, pulmonary rehabilitation; WE, work efficiency; Gr 1, group 1; Gr 2, group 2.