Table 3.

Drop proportion of CA19–9, CEA, CA125 and total bilirubin after bile duct drainage in patients with malignant and benign lesions

Indicators	Malignant	Benign	P value
CA 19–9	39.2% (−18.4–78.6%)	75.7% (58.1–86.6%)	0.014
CEA	12.6% (−26.2–26.0%)	15.8% (− 2.5–36.3%)	0.306
CA 125	−31.2% (− 196.2–15.8%)	65.5% (31.1–100.0%)	0.051
Total bilirubin	68.4% (39.9–80.8%)	74.6% (33.7–83.9%)	0.943