Fig. 2
From: Home mechanical ventilation: quality of life patterns after six months of treatment
Bar graphs of changes in the scores of SRI subscales at the 6-month follow-up in the whole study group, by interface and by diagnostic groups. Boxes represent means, error bars represent standard error. Significant differences are marked with asterisk. COPD: chronic obstructive pulmonary disease, RCWD: restrictive chest wall disease, OHS: obesity hypoventilation syndrome, NMD: neuromuscular disease, ALS: amyotrophic lateral sclerosis, RC: Respiratory complaints, PF: Physical functioning, AS: Attendant symptoms and sleep, SR: Social relationships, AX: Anxiety WB: Psychological well-being, SF: Social functioning, SS: Summary Score