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Time difference to receive treatment between once-daily and overnight measurment groups.
| Groups | CATa | P value | Heart rate | P value | Oxygen sat | P value | PEFb | P value | Composite score | P value |
| Once-daily | 1 (0-9) days | .33 | 0 (0-0.5) days | .03 | 0 (0-2) days | .64 | 0 (0-1.5) days | .12 | 6 (2-11) days | .79 |
| Overnight | 5 (0-11) days |
|
5 (0.5-7.5) days |
|
0 (0-3.5) days |
|
5 (0-8) days |
|
6 (2-10) days |
|
aCAT: Chronic obstructive pulmonary disease assessment test.
bPEF: peak expiratory flow.
