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Table 3 Multivariate analysis of prognostic factors for overall survival in patients with ampullary adenocarcinoma without pancreatic invasion

From: Dual role of CD44 isoforms in ampullary adenocarcinoma: CD44s predicts poor prognosis in early cancer and CD44ν is an indicator for recurrence in advanced cancer

  Hazard ratios 95 % confidence intervals P-value
Age 1.042 1.000 – 1.086 0.052
Sex    
 Female 1   
 Male 1.391 0.614 – 3.151 0.429
AJCC TNM Stage    < 0.001
 Stage I 1   
 Stage II 3.396 1.335 – 8.634 0.010
 Stage III 13.483 2.449 – 74.247 0.003
 Stage IV 100.752 5.462 – 1858.372 0.002
CD44s expression    
 Negative or weak 1   
 Moderate or dense 2.666 1.070 – 6.645 0.035