Table 2.
Six-minute walk test results
| Variables | Median (inter quartile ratio) |
|---|---|
| Heart rate/min, baseline | 86 (81.5 to 96.0) |
| Heart rate/min, end of test | 123 (116.0 to 136.5) |
| SpO2%, baseline | 93 (92.0 to 95.5) |
| SpO2%, end of test | 76 (70.0 to 86.0) |
| Oxygen supplement during test, n (%) | 8(32) |
| Borg scale score for fatigue, baseline | 0 (0 to 1) |
| Borg scale score for fatigue, end of test | 3 (1.5 to 5.5) |
| Borg scale score for dyspnea, baseline | 0 (0 to 0) |
| Borg scale score for dyspnea, end of test | 5 (2.0 to 7.0) |
| 6MWD, m | 270 (202 to 330) |
| 6MWD, % predicted | 43.7(37.6 to 47.7) |
| References equation [17] 6MWD, m | 630.1 (575.1 to 685.8) |
| References of lower level limit 6MWD, m | 483.9 (427.4 to 541.0) |
Definition of abbreviations: 6MWD, six minute walk distance; SpO2%, pulse oxygen saturation rate.