Overall population | No mutation n= 119 | Mutation n=34 | p | ||||
---|---|---|---|---|---|---|---|
Median | 95% CI | Median | 95% CI | Median | 95% CI | ||
Age (years) | 64 | 62 - 66 | 65 | 63 - 67 | 61 | 56 - 65 | 0.189 |
SAPS II | 58 | 55 - 63 | 58 | 56 - 63 | 51 | 41 - 67 | 0.356 |
Length of stay (days) | 21 | 18 - 25 | 18 | 16 - 23 | 34 | 26 - 40 | 0.0002* |
Duration of ventilation (days) | 16 | 14 - 20.6 | 14.5 | 13 - 17 | 31.5 | 25 - 35 | 0.0001* |
Prior hospitalization period | 6 | 4 - 8 | 5 | 3 - 8 | 9 | 5 - 18 | 0.094 |
Colonization period | 9 | 7 - 11 | 9 | 7 - 11 | 9.5 | 3 - 15 | 0.981 |
Infection period | 10.5 | 7 - 13 | 10.5 | 6 - 13 | 10.5 | 2 - 15.8 | 0.625 |
Duration 1st treatment P.a 1(n: 68/30) | 4 | 4 - 5 | 4.0 | 3 – 5.6 | 4.5 | 3 – 6 | 0.656 |
Duration 2nd treatment P.a 2(n: 41/26) | 6 | 5 - 9 | 5.0 | 3 – 7 | 8.5 | 5.6 - 12 | 0.041* |
Duration 3rd treatment P.a (n: 13/15) | 8 | 2 – 10.6 | 6.0 | 1.5 – 11 | 9.0 | 2.5 - 13 | 0.579 |
Number of ATB before P. aeruginosa in ICU | 2 | 1 - 2 | 2 | 1 - 2 | 2 | 1 - 2 | 0.598 |
Gender M/F | 94 (79%)/25 (21%) | 22 (64.7%)/12 (35.3%) | 0.112 | ||||
Clinical recovery no/yes | 50(32.7%)/103(67.3%) | 34 (28.6%) / 85 (71.4%) | 16 (47.1%)/18 (52.9%) | 0.061 | |||
Bacteriological recovery no/yes | 121(79.1%)/32(20.9%) | 89 (74.8%) / 30 (25.2%) | 32 (94.1%) / 2 (5.9%) | 0.016* | |||
Death no/yes | 101 (66%)/52 (34%) | 79 (66.4%) / 40 (33.6%) | 22 (64.7%) / 12 (35.3%) | 0.840 | |||
Reason for hospitalization | |||||||
Multiple trauma | 7 (4.6%) | 7 (5.9%) | 0 (0 %) | 0.351 | |||
Medical | 75 (49%) | 58 (48.7%) | 17 (50 %) | ||||
Surgical | 71 (46.4%) | 54 (45.4%) | 17 (50%) | ||||
Sampling type | |||||||
Tracheal aspiration | 77 (64.7%) | 21 (61.8%) | 0,698 | ||||
Bronchoalveolar lavage | 18 (15.1%) | 6 (17.6%) | |||||
Blood cultures | 17 (14.3%) | 5 (14.7%) | |||||
Intraperitoneal sample | 3 (2.5%) | 2 (5.9%) | |||||
Prior hospitalization no/yes | 41 (26.8%)/112(73.2%) | 33 (27.7%) / 86 (72.3%) | 8 (23.5%) / 26 (76.5%) | 0.826 |