	In-hospital deaths	One year survival
Underlying disease COPD n=32	11 (34%)	13 (40%)
OHS n=22	1 (4%)*	19( 86%) *
Heart failure n= 15	5 (33%)	7 (46%)
Others n=19	7 (36%)	6 (31%)
Not adjusted to protocol n=14	10 ( 71%)*	2 (14%)*
NIV at discharge n=30		23 ( 76%)*
Barthel <50 n= 46	17 ( 36%)	16 (40%)*

* p<0,05