Clinical Characteristics of Patients According to Underlying NMD.

Data are expressed as median (range). * MV directly associated with the start of HMV NMD = neuromuscular disease; SMA = spinal muscular atrophy; CM = congenital myopathy; CMD = congenital muscular dystrophy; HMV = home mechanical ventilation; MV = mechanical ventilation; NIV = noninvasive ventilation Clinical Characteristics of Patients According to Underlying NMD.