Name of risk factors | Number of patients (n) | Percentage (%) |
Surgical intervention during acute cholecystitis and acute biliary pancreatitis. | 14 | 48% |
Bleeding in Calot’s triangle, unclear anatomy | 12 | 40% |
Large, impacted stone in Hartmann’s pouch | 3 | 8% |
Mirizzi syndrome | 1 | 4% |