Skip to main content
. Author manuscript; available in PMC: 2014 Oct 1.
Published in final edited form as: Infect Control Hosp Epidemiol. 2013 Aug 23;34(10):1070–1076. doi: 10.1086/673155

TABLE 1.

Characteristics Associated with the Development of Fluoroquinolone-Resistant Escherichia coli Colonization in Hospitalized Patients

Variable FQREC negative (n = 322) FQREC positive (n = 73) P
Mean age (±SD), years 61.3 ± 15.1 63.2 ± 17.6 .31
Female sex 142 (44.1) 37 (50.7) .26
Nonwhite race 124 (38.5) 32 (43.8) .05
Surgical service 72 (22.4) 12 (16.4) .02
LOS before the initial sample, days, median (IQR) 2 (1–5) 5 (1–12) <.001
Hospital 2 58 (18.0) 17 (23.3) <.001
Year of culture
 2002 (reference) 97 (30.1) 32 (43.8)
 2003 225 (69.9) 41 (56.2) .02
Admitted from nursing home 16 (5.0) 5 (6.9) .02
Transferred from another hospital 43 (13.4) 14 (19.2) .77
UPHS admission in previous 30 days 99 (30.8) 27 (37.0) .98
Urinary catheter 132 (41.0) 37 (50.7) .25
Mechanical ventilation 45 (14.0) 18 (24.7) .63
Central venous catheter 153 (47.5) 41 (56.2) .02
Diarrhea present 11 (3.4) 8 (11.0) .53
Diabetes mellitus 77 (23.9) 16 (21.9) .61
Neutropenia 9 (3.1) 0 (0.0) .13
Hepatic dysfunction 11 (3.4) 4 (5.5) .66
Severe cardiovascular disease 44 (13.7) 8 (11.0) .90
Severe respiratory disease 40 (12.4) 7 (9.6) .36
HIV infection 6 (1.9) 2 (2.7) .02
Malignancy 147 (45.4) 18 (24.7) <.001
Receipt of transplant 19 (6.1) 6 (8.7) .69
Renal insufficiency 46 (14.3) 13 (17.8) .59
Surgical procedure in previous 30 days 56 (17.4) 21 (28.8) .20
Receipt of corticosteroids in previous 30 days 43 (13.4) 10 (13.7) .78

note. Data are no. (%) of patients, unless otherwise indicated. FQREC, fluoroquinolone-resistant E. coli; HIV, human immunodeficiency virus; IQR, interquartile range; LOS, length of stay; SD, standard deviation; UPHS, University of Pennsylvania Health System.

HHS Vulnerability Disclosure