Factors

Regression coefficient

Standard error

P value

Patient age

0.018

0.016

0.311

Patient sex

−0.169

0.302

0.576

Hilar/distal CCA^a

−3.810

1.000

0.001

Tumor AJCC^b stage

1.090

0.279

0.001

Stricture length

−0.088

0.148

0.555

Procedure approaches (ERCP^c/PTC^d)

−0.879

0.553

0.112

SEMS^e (cover/uncover)

0.689

0.408

0.091

Adjuvant chemotherapy

0.288

0.128

0.025

Serum albumin level

0.574

0.275

0.037

Serum bilirubin level

−0.001

0.001

0.471

Treatment group

0.843

0.285

0.003