Figure 4. Impact of the medical gas intervention on quality of life (QOL).
Global QOL was reported daily on a single-item 0-10 NRS patterned after the McGill QOL Questionnaire. The baseline reflects the timing of the survey in relation to initiation of medical gas.
Footnote to figure 4 (CI = confidence interval):
| Day -2 | Day -1 | Day 0 | Day 1 | Day 2 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| ARM | Total per Arm | N | Mean (95% CI) |
N | Mean (95% CI) |
N | Mean (95% CI) |
N | Mean (95% CI) |
N | Mean (95% CI) |
| Oxygen | 117 | 117 | 6.1 (5.7,6.5) |
116 | 6.2 (5.8,6.6) |
106 | 6.6 (6.3,7) |
112 | 6.7 (6.3,7) |
111 | 6.7 (6.3,7) |
| Air | 110 | 108 | 6.1 (5.7,6.4) |
108 | 5.9 (5.5,6.3) |
100 | 6.1 (5.7,6.5) |
105 | 6.4 (6,6.8) |
102 | 6.4 (6,6.8) |
| Day 3 | Day 4 | Day 5 | Day 6 | ||||
|---|---|---|---|---|---|---|---|
| N | Mean (95% CI) |
N | Mean (95% CI) |
N | Mean (95% CI) |
N | Mean (95% CI) |
| 110 | 6.7 (6.4,7.1) |
110 | 6.8 (6.4,7.1) |
109 | 6.8 (6.4,7.1) |
112 | 6.9 (6.5,7.2) |
| 101 | 6.6 (6.2,7) |
102 | 6.5 (6.2,6.9) |
100 | 6.4 (6,6.8) |
101 | 6.5 (6.2,6.9) |