Table I. Demographic features, preoperative diagnoses and management according to the presence or absence of bacteria on bile culture.
| Parameter | Bacteria present 20 (15.6%) | Bacteria absent 108 (84.4%) |
|---|---|---|
| Demographics | ||
| Age±SD | 63.78±9.7* | 51.62±13.88 |
| Gender ratio (F:M) | 1.85* | 3.7 |
| Diagnosis | ||
| Biliary colic/chronic cholecystitis | 9 (45%) | 93 (86%) |
| Acute cholecystitis | 4* (20%) | 4 (3.7%) |
| Gallstone pancreatitis | 2* (10%) | 6 (5.5%) |
| Obstructive jaundice | 5* (25%) | 5 (4.6%) |
| Biliary intervention | ||
| ERCP | 6 (30%) | 9 (83%) |
| Urgency | ||
| Routine | 15 (75%) | 106 (98.1%) |
| Emergency | 5* (25%) | 2 (1.9%) |
| Type of procedure | ||
| Laparoscopic | 7 (35%) | 86 (79.6%) |
| Conversion | 3* (15%) | 7 (6.5%) |
| Open | 10* (50%) | 15 (13.9%) |
*p<0.05 for bacteria present versus organisms absent (χ2 test).