Additional file 1: of Health-related quality of life as predictor for mortality in patients treated with long-term mechanical ventilation

Table S1. Correlation between baseline scores (both sum score and subscales) of the Severe Respiratory Insufficiency questionnaire and respiratory variables in 112 patients treated with long-term mechanical ventilation between 2008 and 2014. Table S2. Hazard ratios for mortality by baseline scores (both sum score and subscales) of the Severe Respiratory Insufficiency questionnaire in obesity hypoventilation syndrome patients (n = 32) treated with long-term mechanical ventilation between 2008 and 2014. (DOCX 68 kb)