Characteristics of Patients who Died.

* Age at start of HMV−age at death† Tracheostomy-associated complication (N, no abnormal finding; G, granulation; U, not evaluated or unknown)§ Post-HMV episode of hypoxia, including episode that caused death¶ Where event occurredǂ Sudden airway obstruction other than tracheal tube obstructionNMD = neuromuscular disease; HMV = home mechanical ventilation; GSD = glycogen storage disease; RF = sudden respiratory failure; SMA = spinal muscular atrophy; PEG = percutaneous endoscopic gastrostomy; U = unknown; NG = nasogastric; CM = congenital myopathy; MT = myotubular; FTD = fiber type disproportionCharacteristics of Patients who Died.