| Variable | LTOT | NIV | |||||
| No | Median | IQR | No | Median | IQR | Significance* | |
| POMS Depression-dejection | 37 | 2.0 | 4.0 | 44 | 4.5 | 13.3 | 0.163 |
| POMS Anger-hostility | 37 | 2.0 | 3.0 | 47 | 2.0 | 5.0 | 0.819 |
| POMS Confusion-bewilderment | 38 | 3.0 | 4.0 | 46 | 5.0 | 6.3 | 0.020 |
| POMS Fatigue | 37 | 6.0 | 8.0 | 46 | 8.0 | 10.3 | 0.581 |
| POMS Tension-anxiety | 38 | 3.0 | 7.3 | 47 | 8.0 | 10.0 | 0.067 |
| POMS Vigour | 37 | 14.0 | 10.5 | 45 | 11.0 | 6.5 | 0.050 |
| POMS Total mood | 35 | 5.0 | 21.0 | 43 | 22.0 | 48.0 | 0.318 |
*Adjusted for ranked baseline values.
IQR, interquartile range; LTOT, long-term oxygen therapy; NIV, non-invasive ventilation.