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Table 1 The clinicopathologic characteristics of patients in the training and validation cohorts

From: Systemic immune-inflammation index predicts prognosis of patients with advanced pancreatic cancer

Variables Training Validation P
N = 197 % N = 222 %
Age (years)
 ≤ 60 95 48.2 105 47.3 0.922
 > 60 102 51.8 117 52.7  
Sex
 Male 122 61.9 147 66.2 0.414
 Female 75 38.1 75 33.8  
Location
 Head 90 40.5 87 44.2 0.488
 Body/tail 132 59.5 110 55.8  
Metastasis
 No 41 20.8 42 18.9 0.713
 Yes 156 79.2 180 81.1  
CA19-9 (U/mL)
 ≤ 37 44 22.3 52 23.4 0.817
 > 37 153 77.7 170 76.6  
TBIL (μmol/L)
 ≤ 17 162 82.2 184 82.9 0.898
 > 17 35 17.8 38 17.1  
ALB (g/L)
 ≤ 35 13 6.6 13 5.9 0.840
 > 35 184 93.4 209 94.1  
ALP (U/L)
 ≤ 125 139 70.6 157 70.7 1.000
 > 125 58 29.4 65 29.3  
ALT (U/L)
 ≤ 35 148 75.1 172 77.5 0.645
 > 35 49 24.9 50 22.5  
AST (U/L)
 ≤ 40 165 83.8 186 83.8 1.000
 > 40 32 16.2 36 16.2  
  1. CA carbohydrate antigen, TBIL total bilirubin, ALB albumin, ALP alkaline phosphatase, ALT alanine transaminase, AST aspartate transaminase