Table 1.
Variables showing significance in the three bivariate analyses performed
| Parameter | Total | Result according to patient status |
||||
|---|---|---|---|---|---|---|
| Sterile bile | Bactobilia | Non-URB bactobilia | URB bactobilia | Sterile bile + non-URB bactobilia | ||
| n | 198 | 154 | 44 | 34 | 10 | 188 |
| Age (yr; means ± SD) | 55.3 ± 17.3 | 51.2 ± 16.3 | 69.6 ± 12.5a | 67.6 ± 13.0 | 76.2 ± 8.2b | 54.2 ± 17.0c |
| Male (%) | 40.4 | 36.4 | 54.4a | 55.9 | 50.0 | 39.9 |
| High blood pressure (%) | 35.8 | 29.2 | 59.1a | 52.9 | 80.0 | 33.5c |
| Stroke (%) | 10.7 | 7.8 | 20.5a | 20.6 | 20.0 | 10.2 |
| Charlson index (means ± SD) | 1.40 ± 0.95 | 0.82 ± 1.41 | 1.41 ± 1.28a | 1.38 ± 1.23 | 1.50 ± 1.51 | 0.93 ± 1.40 |
| Proton pump inhibitors (%) | 40.4 | 34.4 | 61.4a | 58.8 | 70.0 | 38.8 |
| Previous antibiotics (%) | 33.8 | 28.6 | 52.3a | 44.1 | 80.0 | 31.4c |
| Previous admission (%) | 56.1 | 48.7 | 81.8a | 79.4 | 90.0 | 54.3c |
| Previous surgery (%) | 3.5 | 2.6 | 6.8 | 2.9 | 20.0 | 2.7c |
| ERCP (%) | 13.6 | 6.5 | 38.6a | 26.5 | 80.0b | 10.0c |
| Other endoscopic procedures (%) | 18.7 | 14.9 | 31.8a | 32.4 | 30.0 | 18.1 |
a
P < 0.05 for bactobilia versus sterile bile.
b
P < 0.05 for URB bactobilia versus non-URB bactobilia.
c
P < 0.05 for sterile bile plus non-URB bactobilia versus URB bactobilia.