Molecular detection and antibiotic resistance pattern of extended-spectrum beta-lactamase producing Escherichia coli in a Tertiary Hospital in Enugu, Nigeria

Table 4 Multivariate analysis for risk factors associated with infections by ESBL producing Escherichia coli

Risk factor	Wald Chi-Square	OR	P value
Female	1.464	1.439	0.226
Old age (60 years)	1.324	0.681	0.250
Recent surgery	6.131	2.446	0.013
Previous antibiotic (≤ 3 months)	7.461	1.948	0.006
Beta-lactam	9.850	1.555	0.002
Aminoglycosides	0.831	0.484	0.362
Fluoroquinolones	3.456	0.455	0.063
Surgical ward	0.064	0.976	0.806
ICU ward	3.502	1.432	0.041
Medical ward	0.511	0.788	0.475
Orthopedic ward	2.784	1.563	0.095
Gynaecology ward	0.933	0.872	0.334
Post natal ward	0.006	0.989	0.939
Urinary Catheter	1.661	2.002	0.197
Nasogastric tubes	1.961	0.789	0.161
Central venous lines	0.181	1.290	0.671
Ventilator	1.245	2.142	0.264
Arterial lines	0.323	0.538	0.570
Endotracheal tube	0.048	1.117	0.827
Bronchoscopic tube	1.478	0.574	0.224
< 7 days stay in hospital	2.228	0.487	0.136
7–14days stay in hospital	0.537	1.154	0.464
> 14days stay in hospital	3.065	1.412	0.080

ISSN: 1476-0711