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Table 2 Preoperative serum markers in patients with CBD stones on IOC with and without CBD dilatation on preoperative US

From: Role of intraoperative cholangiography for detecting residual stones after biliary pancreatitis: still useful? A retrospective study

ICO Patients with stones in CBD  
Preoperative US CBD <0.8 mm (35 patients) CBD ≥0.8 mm (49 patients)  
  Normal value Increased value Median Percentiles
(25°–75°)
Normal value Increased value Median Percentiles
(25°–75°)
P
Total bilirubin 3.4–20.5 mmol/L 9 26 31.9 16.1–69.9 8 41 53.0 30.0–88.5 P > 0.001
ALP 40–150 U/L 20 15 139.0 101.0–193.0 20 29 173.0 104.0–280.5 P > 0.001
AST 5–34 U/L 2 33 162.0 62.0–263.0 3 46 187.0 103.5–368.0 P > 0.001
ALT 0–55 U/L 3 32 244.0 141.0–384.0 3 46 280.0 170.0–440.5 P > 0.001
Amylase 30–100 U/L 0 35 819.0 276.0–2647.0 3 46 1390.0 490.0–2283.5 P > 0.001
Lipase 23–300 U/L 4 31 1438.0 763.0–4899.0 8 41 3563.0 974.5–4211.5 P > 0.001
  1. P > 0.001: not significative