Poor clinical outcome | |||
Yes | No | Total | |
Walk test | |||
Did not complete | 5 | 1 | 6 |
Completed | 7 | 12 | 19 |
Total | 12 | 13 | 25 |
SaO2 | |||
<90% at 3 minutes | 3 | 0 | 3 |
⩾90% at 3 minutes | 9 | 13 | 22 |
Total | 12 | 13 | 25 |
CHF, congestive heart failure; COPD, chronic obstructive pulmonary disease; SaO2, arterial oxygen saturation.