GPT and Cholecystitis: Among them Strasberg et al. has pointed out GB inflammation as the most common reason for conversion to open cholecystectomy [34].In our present research, male, BMI, history of cholecystitis, GB wall thickness and pericholecystic collection were significantly associated with higher grade of Parkland Grading Scale whereas age, WBC count, total bilirubin, ALT, AST and history of previous surgery were not associated with higher Parkland Grading Scale grade.