Table 4.
Bivariable analyses of risk factors for ST131 Escherichia coli among long-term care facility residents colonized with fluoroquinolone-resistant E. coli.
| Variable | ST131 (n = 29)a |
Non-ST131 (n = 8)a |
OR (95% CI) | P value |
|---|---|---|---|---|
| Year of culture | ||||
| 2006 | 11 (38) | 4 (50) | ||
| 2007 | 8 (28) | 3 (38) | 0.61 | |
| 2008 | 10 (34) | 1 (13) | ||
| Mean age (SD) | 75 (12) | 70 (15) | -------- | 0.28 |
| Female sex | 3 (10) | 4 (50) | 0.12 (0.01–1.03) | 0.05 |
| Non-white race | 19 (66) | 4 (50) | 1.90 (0.28–12.5) | 0.45 |
| Site | ||||
| LTCF #1 | 9 (31) | 4 (50) | ||
| LTCF #2 | 16 (55) | 4 (50) | 0.62 | |
| LTCF #3 | 4 (14) | 0 (0) | ||
| Hospitalization in previous year | 22 (76) | 5 (63) | 1.89 (0.23–12.8) | 0.67 |
| Comorbidities and medicationsb | ||||
| Chronic pulmonary disease | 11 (38) | 1 (13) | 4.28 (0.43–210) | 0.23 |
| Malignancy | 12 (41) | 1 (13) | 4.94 (0.50–241) | 0.22 |
| Any antibioticc | 11 (38) | 1 (13) | 4.28 (0.43–210) | 0.23 |
OR, odds ratio; CI, confidence interval; SD, standard deviation; LTCF, long-term care facility.
a
Data are presented as numbers (percentages) except for age.
b
Only variables with P < 0.30 are shown.
c
≤ 30 days prior to recovery of FQREC.