|Group 1 (n=22)||Group 2 (n=20)|
|Age at diagnosis (years)||69||49–83||69||54–85||0.9|
|Duration from the first symptoms to diagnosis (months)||11||1–48||13||3–60||0.8|
|Duration from the diagnosis to initiation of NIV (months)||2||0–5||12||6–29||< 0.001|
The difference between the groups was assessed using the Mann Whitney U test.
NIV = non-invasive ventilation.
Siirala et al.
Siirala et al. BMC Palliative Care 2012 11:26 doi:10.1186/1472-684X-11-26