Research Article

Clinical and Mortality Risk Factors in Bloodstream Infections with Carbapenem-Resistant Enterobacteriaceae

Table 1

Univariate analysis of the clinical characteristics of bloodstream infections caused by CRE and non-CRE.

Clinical characteristicsBloodstream infections with Enterobacteriaceae, n (%) value
CRE group (n = 26)Non-CRE group (n = 122)

Gender (male)16 (61.5)59 (48.4)0.222
Age > 60 years22 (84.6)83 (68.0)0.091
Community acquired030 (24.6)0.005
Admission to the ICU20 (76.9)10 (8.2)<0.001
Long-term bedbound19 (73.1)61 (50)0.032
Medical institution admission history within 3 months17 (65.4)75 (61.5)0.709
Underlying diseases
 Cardiovascular disease19 (73.1)54 (44.3)0.008
 Cerebrovascular disease21 (80.8)57 (46.7)0.002
 Chronic respiratory disease6 (23.1)9 (7.4)0.040
 Chronic kidney disease13 (50.0)33 (27.0)0.022
 Diabetes mellitus9 (34.6)44 (36.1)0.889
 Malignant tumor4 (15.4)44 (36.1)0.041
 Anemia26 (100.0)87 (71.3)0.002
 Hypoalbuminemia26 (100.0)98 (80.3)0.029
 Lung infection22 (84.6)61 (50.0)0.001
 Urinary tract infection12 (46.2)62 (50.8)0.666
 Abdominal infection5 (19.2)14 (11.5)0.453
 Tracheotomy12 (46.2)21 (17.2)0.001
 Liver dysfunction13 (50.0)24 (19.7)0.001
Invasive surgery before infection
 Mechanical ventilation18 (69.2)12 (9.8)<0.001
 Central venous catheterization19 (73.1)28 (23.0)<0.001
 Indwelling urethral catheterization25 (96.2)45 (36.9)<0.001
Sources of bloodstream infection
 Catheter related10 (38.5)23 (18.9)0.029
 Respiratory system11 (42.3)26 (21.3)0.025
 Urinary tract infection0 (0)42 (34.4)<0.001
 Others5 (19.2)31 (25.4)0.505
Prior use of broad-spectrum antibiotics within 30 days25 (96.2)39 (32.0)<0.001
Combined fungal infection10 (38.5)10 (8.2)<0.001
Prior use of glucocorticoids within 30 days8 (30.8)11 (9.0)0.007
Total length of hospital stay25.4 ± 11.121.0 ± 12.70.102
30-Day mortality rate17 (65.4)21 (17.2)<0.001
48-Hour mortality rate6 (23.1)3 (2.5)<0.001

ICU: intensive care unit; .