| Characteristics | N = 86 (57.3%) |
| Age | Mean 57 (range 44 to 80 yo) |
| Gender F/M | (38)/(48) |
| Respiratory insufficiency | 62 (75%) |
| Intensive care therapy and endotraqueal intubation | 42 (48.8%) |
| Previous ADD | 0 |
| Affectation in social and laboral activities | 38 (44%) |