Table 2 Univariable and multivariable cox regression analysis of OS after treatment

From: Irreversible electroporation plus allogenic Vγ9Vδ2 T cells enhances antitumor effect for locally advanced pancreatic cancer patients

Variable and category Univariable analysis Multivariable analysis
HR P value HR P value
Age (years)
<60 26.5 (24.9, 28.1) <0.05 N/A 0.594
≥60 20.3 (18.2, 22.3)
Sex
Female 26.0 (24.8, 27.2) <0.05 N/A 0.266
Male 15.0 (13.6, 16.4)
Tumor size
<4 cm 29.0 (26.3, 31.7) <0.05 13.5 (2.6, 70.6) 0.002
≥4 cm 17.0 (13.9, 20.1)
Chemotherapy before IRE
Yes 30.0 (26.6, 33.4) <0.05 5.1 (1.4, 17.9) 0.012
No 17.5 (13.8, 21.2)
Change in CA19-9 level 3 mo after treatment
Decrease or no change 26.5 (25.3, 27.7) <0.05 N/A 0.116
Increase 14.5 (12.6, 16.4)
Location progression
≥6 mo or no local progression 24.0 (20.9, 27.0) <0.05 0.2 (0.1, 0.5) 0.001
<6 mo 11.0 (8.9, 13.1)
  1. CA19-9 carbohydrate antigen 19-9, mo month, HR hazard ratio