PDAC	Pancreatic ductal adenocarcinoma
GINI	Global Immune–Nutrition–Inflammation Index
NLR	Neutrophil-to-lymphocyte ratio
SII	Systemic immune-inflammation index
SIRI	Systemic inflammation response index
CRP	C-reactive protein
LDH	Lactate dehydrogenase
ECOG PS	Eastern Cooperative Oncology Group performance status
ROC	Receiver operating characteristic
AUC	Area under the curve
OS	Overall survival
PFS	Progression-free survival
HR	Hazard ratio
CI	Confidence interval
SPSS	Statistical Package for the Social Sciences.
RECIST	Response Evaluation Criteria in Solid Tumors