Subscales of the Severe Respiratory Insufficiency (SRI) Questionnaire: high-intensity versus low-intensity NPPV
| Period | LI-NPPV | HI-NPPV | Difference between treatments (95% CI) | p Value | |
| SRI-RC | Period 1 | 56.3±14.0 | 62.1±25.1 | 0.6 (−6.1 to 7.3) | 0.85 |
| Period 2 | 61.6±25.3 | 57.0±12.9 | |||
| SRI-PF | Period 1 | 38.3±17.5 | 43.5±31.4 | −1.5 (−10.6 to 7.6) | 0.71 |
| Period 2 | 48.2±37.5 | 40.0±19.7 | |||
| SRI-AS | Period 1 | 66.4±15.5 | 76.5±18.5 | −1.8 (−5.8 to 2.1) | 0.33 |
| Period 2 | 81.6±17.8 | 67.9±16.6 | |||
| SRI-SR | Period 1 | 81.5±12.5 | 80.4±14.0 | −2.3 (−7.6 to 3.0) | 0.36 |
| Period 2 | 79.8±16.0 | 76.3±11.5 | |||
| SRI-AX | Period 1 | 51.0± 10.8 | 67.1±33.5 | 4.7 (−6.0 to 15.4) | 0.35 |
| Period 2 | 60.0±34.6 | 53.3±11.6 | |||
| SRI-WB | Period 1 | 67.8±9.2 | 67.5±27.1 | −0.02 (−10.0 to 10.0) | 1.00 |
| Period 2 | 68.3±20.1 | 68.6±12.1 | |||
| SRI-SF | Period 1 | 60.6±23.4 | 59.8±25.6 | −0.6 (−9.8 to 8.5) | 0.89 |
| Period 2 | 57.9±25.2 | 57.5±16.5 |
Data are presented as mean±SD.
AS, Attendant Symptoms and Sleep; AX, Anxiety; HI-NPPV, high-intensity non-invasive positive pressure ventilation; LI-NPPV, low-intensity non-invasive positive pressure ventilation; PF, Physical Functioning; RC, Respiratory Complaints; SF, Social Functioning; SR, Social Relationships; SRI, Severe Respiratory Insufficiency Questionnaire; WB, Psychological Well-Being.