Research Article

Analysis of a Systemic Inflammatory Biomarker in Advanced Bile Tract Carcinoma Treated with Anti-PD-1 Therapy: Prognostic and Predictive Significance of Lung Immune Prognostic Index Score

Table 7

Univariate analyses of LIPI associated with OS and PFS of BTC patients treated with ICIs in subsequent lines.

LIPI classificationPatients treated with ICIs in subsequent lines
OS (months)PFS (months)
MedianHR (95% CI)MedianHR (95% CI)

The good ()34.431 [reference]12.931 [reference]
The intermediate/poor ()15.81.140 (0.457-2.844)5.871.505 (0.638-3.552)
value0.7780.345

PFS: progression-free survival; OS: overall survival; LIPI: lung immune prognostic index; BTC: biliary tract cancer; ICIs: immune checkpoint inhibitors.