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 6

Univariate analyses of LIPI associated with OS and PFS of BTC patients treated with 1st line ICIs.

LIPI classificationPatients treated with the 1st line ICIs
OS (months)PFS (months)
MedianHR (95% CI)MedianHR (95% CI)

The good ()34.431 [reference]12.931 [reference]
The intermediate/poor ()15.82.147 (1.061-4.344)5.873.006 (1.601-5.642)
value0.03<0.001

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