Table 4.
The impact of UTI and other risk factors on the presence of E. coli vs. other microorganisms in culture (n=425)
| Risk factor | Categories | n | E. coli + n (%) | Univariate p | Multivariate OR (95% CI) |
|---|---|---|---|---|---|
| Gender |
Male |
209 |
86 (41.1) |
0.067 |
0.63 (0.40-0.97)* |
| |
Female |
216 |
108 (50.0) |
|
1 |
| Clinic |
Ward |
304 |
160 (52.6) |
< 0.001 |
0.64 (0.34-1.20) |
| |
ICU |
120 |
33 (27.5) |
|
1 |
| Toilet in patient’s room |
Yes |
188 |
99 (52.7) |
0.010 |
1.15 (0.72-1.86) |
| |
No |
232 |
93 (40.1) |
|
1 |
| Hand disinfectant in patient’s room |
Yes |
334 |
142 (42.5) |
0.005 |
1 |
| |
No |
86 |
51 (59.3) |
|
1.33 (0.78-2.26) |
| UTI RISK FACTORS |
|
|
|
|
|
| Antibiotic use in preceding 3 mo. |
Yes |
312 |
129 (41.3) |
0.002 |
0.56 (0.35-0.90)* |
| |
No |
111 |
65 (58.6) |
|
1 |
| Urinary tract operation in preceding 6 mo. |
Yes |
72 |
43 (59.7) |
0.009 |
1.90 (1.06-3.40)* |
| |
No |
353 |
151 (42.8) |
|
1 |
| Urinary tract anomaly |
Yes |
47 |
27 (57.4) |
0.082 |
1.26 (0.64-2.51) |
| |
No |
377 |
166 (44.0) |
|
1 |
| Infection outside the urinary tract |
Yes |
159 |
50 (31.4) |
< 0.001 |
1 |
| |
No |
266 |
144 (54.1) |
|
1.74 (1.08-2.80)* |
| Catheter in the urinary tract |
Yes |
276 |
105 (38.0) |
< 0.001 |
1 |
| No | 148 | 89 (60.1) | 1.54 (0.95-2.49) |
*p< 0.00.