Fig. 1 | Scientific Reports

Fig. 1

From: Primary closure with self-disengaging biliary stent following laparoscopic CBD exploration in normal-diameter ducts: a propensity score matching study

Fig. 1

Study design with a flow diagram: Out of 491 consecutive patients diagnosed with CBDSs and treated between May 2022 and May 2024 at a single medical center, 343 were selected for the study. These patients were divided into two groups based on CBD diameter (8 mm): the normal group and the dilated group. Propensity score matching was conducted to match the two groups, aiming to reduce confounding factors such as age, gender, BMI, CCI score, ASA classification, history of abdominal surgery, preoperative hypoproteinemia, acute cholangitis, and obstructive jaundice.

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