Fig. 1From: Increased difficulty and complications of delayed laparoscopic cholecystectomy following percutaneous transhepatic gallbladder drainage in acute cholecystitis: a retrospective studyFlowchart illustrating the patient population. A total of 215 patients who were diagnosed with AC and underwent DLC were assessed. Patients diagnosed with Grade I (mild) AC were excluded. The remaining 113 patients were all classified as Grade II (moderate) and divided into two groups based on whether they received the PTGBD treatment in the acute phase. AC, acute cholecystitisBack to article page