Time-dependent adherence to non-invasive ventilation in amyotrophic lateral sclerosis: an observational cohort study.
BACKGROUND Non-invasive ventilation (NIV) improves survival and quality of life in amyotrophic lateral sclerosis (ALS). However, adherence is frequently suboptimal and longitudinal outpatient data are limited. OBJECTIVE We assessed NIV adherence during the first year of outpatient adaptation, factors associated with...