TABLE 2

Specific data of diagnostic groups using HIMV in Finland in 2015–2019

All patients (n=141)Motor neurone disease (n=41)Spinal cord injury (n=28)Miscellaneous (n=25)Muscular diseases (n=21)Duchenne muscular dystrophy (n=20)Post-polio syndrome (n=5)
Age at diagnosis35.8±24.854.5±10.941.1±21.140.4±25.610.1±14.79.8±8.43.2±3.7
Age at HIMV initiation years42.9±21.256.5±9.342.7±21.344.6±25.529.7±21.228.4±9.525.2±30.2
Time from diagnosis to HIMV initiation years7.6±12.32.0±2.42.4±7.94.7±8.018.8±15.820.5±10.022.0±32.2
Time from HIMV initiation to 1 January 2019 years12.3±11.47.7±5.19.4±7.912.0±9.719.9±13.911.0±7.747.3±24.2
Lifetime of deceased patient years61.7±14.765.4±9.058.6±14.768.4±16.159.5±15.633.1±8.568.0±3.3
HIMV duration of deceased patient years11.2±12.49.0±4.17.4±5.46.4±1.822.5±17.14.6±4.434.4±43.3
Prevalence of HIMV per 100 000 people2.00.50.40.40.30.30.0

HIMV: home invasive mechanical ventilation. All deceased patients were diagnosed before 1 January 2015.