Table 3.
Univariate analyses of risk factors for death associated with Acinetobacter baumannii infection
|
Variable |
Deaths (n = 17) |
Survivors (n = 32) |
Odds ratio (95%CI) |
p |
|---|---|---|---|---|
| n (%) | n (%) | |||
| Male sex |
9 (53) |
20 (63) |
0.68 (0.21 – 2.22) |
0.52 |
| Age ( each 10 years) |
10 (59) |
12 (38) |
1.08 (0.74 – 1.55) |
0.70 |
| Liver transplant |
14 (82) |
11 (34) |
8.91 (2.10 – 37.8) |
0.003 |
| Infection acquired in the ICU |
15 (88) |
9 (28) |
19.2 (3.63 – 101.3) |
0.001 |
| Previous use of any antibiotic a |
5 (36) |
17 (65) |
0.29 (0.08 – 1.15) |
0.08 |
| Previous use of carbapenem a |
4 (29) |
7 (27) |
1.09 (0.26 – 4.62) |
0.91 |
| Extra-urinary site of infection |
17 (100) |
18 (56) |
Undefined |
<0.001 |
| Primary bacteremia |
7 (41) |
10 (31) |
||
| Pneumonia |
7 (41) |
6 (19) |
||
| Surgical site infection |
3 (18) |
2 (6) |
||
| Bacteremia b |
11 (65) |
17 (53) |
1.43 (0.42 – 4.81) |
0.57 |
| Central venous catheter |
16 (94) |
15 (47) |
18.1 (2.14 – 153.6) |
0.008 |
| Mechanical ventilation |
15 (88) |
10 (31) |
16.5 (3.16 – 86.3) |
0.001 |
| Serum creatinine (for each 100 μmol/L) c |
170 (80– 230) |
270 (110 – 460) |
0.68 (0.44 – 1.06) |
0.10 |
| Hemodialysis |
6 (35) |
6 (19) |
2.36 (0.62 – 8.97) |
0.21 |
| Therapy for acute graft rejection |
1 (6) |
11 (34) |
0.17 (0.03 – 0.88) |
0.03 |
| Septic shock |
9 (53) |
6 (19) |
4.88 (1,33 – 17.9) |
0.02 |
| Appropriate empiric therapy |
8 (47) |
21 (66) |
0.47 (0.14 – 1.55) |
0.21 |
| Resistance to carbapenem | 8 (47) | 10 (30) | 1.96 (0.58 – 6.56) | 0.28 |
ICU – intensive care unit; CI = confidence interval; a Data available for 40 cases; b includes 11 cases of secondary bacteremia; c median(interquartile range).