Association between Pneumonia Development and Virulence Gene Expression in Carbapenem-Resistant Acinetobacter baumannii Isolated from Clinical Specimens
Table 1
Expression levels of Acinetobacter baumannii virulence genes and clinical characteristics of patients with pneumonia and colonization.
Pneumonia (n = 17)
Colonization (n = 24)
Age, median (IQR), y
75 (66–81)
68 (59–78)
0.14
Female sex, no. (%)
4 (23.5)
5 (20.8)
1.00
Charlson score, median (IQR)
5 (4–7)
4 (2–7)
0.16
Surgery, no. (%)
3 (17.6)
8 (33.3)
0.31
ICU stay, no. (%)
16 (94.1)
13 (54.2)
0.01
Tracheostomy, no. (%)
3 (17.6)
10 (41.7%)
0.10
Mechanical ventilation, no. (%)
13 (76.5)
6 (25.0)
<0.01
Death, no. (%)
9 (52.9)
1 (4.2)
<0.01
ompA, median (IQR)
1.45 (0.88–2.24)
0.63 (0.13–1.39)
0.03
uspA, median (IQR)
1.23 (0.75–1.69)
1.02 (0.83–1.23)
0.29
hfq, median (IQR)
1.54 (1.34–1.86)
1.26 (1.02–1.83)
0.06
hisF, median (IQR)
0.86 (0.10–1.09)
0.12 (0.07–1.02)
0.16
feoA, median (IQR)
1.29 (1.10–1.77)
1.30 (0.78–1.67)
0.37
bfnL, median (IQR)
2.33 (2.05–3.51)
2.14 (1.72–3.31)
0.21
IQR, interquartile range; ICU, intensive care unit.
