Parameters | All patients | Patients Group | Logistic regression model adjusted for age | Multivariate analysis | ||||||
---|---|---|---|---|---|---|---|---|---|---|
NIRT success | NIRT failure | p | OR | p | 95% CI | OR | p | 95% CI | ||
General | ||||||||||
 Age (years) (mean±SD) | 69,2±14,5 | 65,7±13,9 | 80,7±9,5 | <0,0001 | - | - | - | 1,07 | 0,004 | 1,02-1,11 |
 Male | 227 (61,7%) | 171 (75,3%) | 56 (24,7%) | 0,455 | 1,74 | 0,049 | 1,00-3,04 | 2,73 | 0,005 |  1,35-5,53 |
 DNI (do not intubate order) |  71 (19,3%) | 10 (14,1%) | 61 (85,9%) | <0,0001 | 31 | <0,0001 |  14,34-66,96 |  |  |  |
 Time in NIRT (h) | 9,9±7,6 | 9,5±6,6 | 11,1±10,3 | 0,10 | 1 | 0,738 | 0,97-1,04 |  |  |  |
Clinical pathological and behaviour aspects | ||||||||||
 Charlson index >3 | 177 (48,1%) | 102 (57,6%) | 75 (42,4%) | <0,0001 | 2,82 | 0,025 | 1,14-6,95 | 1,84 |  0,261 |  0,64-5,33 |
 Neurological comorbidities | 62 (16,8%) | 33 (53,2%) | 29 (46,8%) | <0,0001 | 2,08 | 0,028 | 1,08-3,98 | 1,26 | 0,576 | 0,57-2,78 |
 Psychiatric comorbidities | 70 (19,0%) | 58 (82,7%) | 12 (17,1%) | 0,171 | 0,67 | 0,284 | 0,32-1,40 |  |  |  |
 Delirium | 27 (7,3%) | 14 (51,9%) | 13 (48,1%) | 0,002 | 2,17 | 0,085 |  0,90-5,25 |  |  |  |
 Agitation/confusion | 140 (38,0%) | 73 (52,1%) |  67 (47,9%) | <0,0001 | 5,51 | <0,0001 | 2,96-10,25 | 2,42 | 0,021 | 1,14-5,14 |
 Diabetes | 77 (20,9%) | 64 (83,1%) | 13 (16,9%) | 0,13 | 0,6 | 0,166 |  0,29-1,24 |  |  |  |
 Cardiovascular comorbidities | 84 (22,8%) | 53 (63,1%) | 31 (36,9%) | 0,001 | 1,02 | 0,957 |  0,55-1,88 |  |  |  |
Specific interventions during hospitalization | ||||||||||
 No Pronation | 102 (27,7%) | 55 (53,9%) | 47 (46,1%) | <0,0001 | 2,84 | 0,001 | 1,57-5,14 | 3,65 | 0,001 | 1,74-7,62 |
 Sedation | 190 (51,6%) | 113 (59,5%) | 77 (40,5%) | <0,0001 | 9,07 | <0,0001 | 4,21-19,58 | 8,53 | <0,0001 | 3,47-21,00 |