Infections Caused by Extended-Spectrum β-Lactamase Producing Escherichia Coli in Systemic Lupus Erythematosus Patients: Prevalence, Risk Factors, and Predictive Model
Table 4
Multivariate logistic regression analysis of risk factors for ESBL producing E. coli.
Variable
Adjusted OR
95%CI
P value
ICU stay during hospitalization
4.16
2.08~11.92
<0.001
Enterobacteriaceae colonization or infection in preceding year
8.15
5.12~21.71
<0.001
Mechanical ventilation ⩾ 48 hours
2.19
1.12~5.93
0.032
Urethral catheter⩾ 48 hours
2.98
2.01~9.84
0.003
Residence of nursing home
1.89
1.03~4.03
0.037
Nosocomial acquired infection
4.12
1.98~8.85
<0.001
Hematological activity
1.71
0.94~4.03
0.085
Daily prednisone dose at the time of infection
0mg/day
0.87
0.19~1.58
0.682
<7.5mg/day
2.01
0.82~3.91
0.428
7.5~30mg/day
2.98
0.67~7.94
0.253
>30mg/day
5.48
3.12~13.72
0.017
SLEDAI score
0~4
0.69
0.47~1.19
0.098
5~9
1.07
0.81~2.83
0.064
10~14
2.84
1.07~5.62
0.061
>15
4.05
2.18~9.36
0.028
Low C3 levels
2.17
1.62~6.71
0.016
Anibiotics prescription within 30 days before infection
