Time line (months) | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | 32 | 36 | 40 | 44 | 48 | |
Consent form | √ | ||||||||||||
Baseline/follow-up general health information | √ | √ | √ | √ | √ | ||||||||
Nocturnal oxymetry | √ | ||||||||||||
Pulse oxymetry | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | |||
Arterial blood gas | √ | √a | √a | √a | √a | √a | √a | √a | √a | √a | √a | √a | √ |
Pulmonary function tests (spirometry, lung volumes and DLCO) | √ | √ | √ | √ | √ | ||||||||
Quality-of-life questionnaires | √ | √ | √ | √ | √ | ||||||||
Health Care questionnaire (follow-up call or visit)b | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
Home visits for compliancec | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ |