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. 2021 Dec 9;21:1318. doi: 10.1186/s12885-021-09056-0

Table 3.

Multivariate analyses of risks of OS

Continuous BMI WHO Model X-tile Model
aHR P value aHR P value aHR P value
Age 1.004 (0.998–1.011) 0.223 1.004 (0.997–1.01) 0.279 1.004 (0.997–1.011) 0.234
Male (female as Ref.) 1.120 (0.992–1.266) 0.068 1.124 (0.995–1.271) 0.060 1.122 (0.993–1.268) 0.064
ALB 1.004 (0.992–1.017) 0.51 1.004 (0.992–1.016) 0.541 1.005 (0.993–1.017) 0.43
FBG 1.018 (0.997–1.039) 0.086 1.017 (0.996–1.038) 0.111 1.018 (0.998–1.039) 0.084
logCA199 1.164 (1.093–1.240) <0.001 1.161 (1.09–1.236) <0.001 1.162 (1.091–1.237) <0.001
TB 1.000 (0.999–1.001) 0.986 1 (0.999–1.001) 0.902 1 (0.999–1.001) 0.899
Biliary drainage (no as Ref.) 1.113 (0.941–1.316) 0.213 1.109 (0.938–1.311) 0.227 1.114 (0.942–1.318) 0.205
ASA Score 0.142 0.163 0.151
 1 Ref. Ref. Ref.
 2 0.926 (0.817–1.050) 0.231 0.926 (0.817–1.05) 0.231 0.927 (0.818–1.051) 0.239
 3 1.182 (0.934–1.495) 0.164 1.179 (0.931–1.493) 0.171 1.184 (0.935–1.498) 0.16
 4 1.317 (0.753–2.305) 0.334 1.272 (0.727–2.228) 0.400 1.298 (0.742–2.271) 0.36
Stage <0.001 <0.001 <0.001
 Ia Ref. Ref. Ref.
 Ib 1.587 (1.210–2.080) 0.001 1.58 (1.205–2.072) 0.001 1.574 (1.2–2.064) 0.001
 IIa 1.704 (1.226–2.370) 0.002 1.681 (1.209–2.337) 0.002 1.691 (1.216–2.351) 0.002
 IIb 2.399 (1.846–3.117) <0.001 2.384 (1.834–3.098) <0.001 2.391 (1.84–3.107) <0.001
 III 3.568 (2.744–4.640) <0.001 3.542 (2.724–4.607) <0.001 3.558 (2.736–4.627) <0.001
 IV 6.478 (4.856–8.641) <0.001 6.442 (4.831–8.591) <0.001 6.501 (4.874–8.671) <0.001
Differentiation <0.001 <0.001 <0.001
 I Ref. Ref. Ref.
 II 4.642 (0.649–33.205) 0.126 4.725 (0.66–33.815) 0.122 4.762 (0.665–34.092) 0.12
 III 6.444 (0.903–46.008) 0.063 6.562 (0.918–46.882) 0.061 6.637 (0.929–47.436) 0.059
 IV \ \ \ \
 Unknown 1.652 (0.147–18.599) 0.684 1.744 (0.155–19.613) 0.652 1.744 (0.155–19.61) 0.652
Chemotherapy 0.458 (0.405–0.518) <0.001 0.462 (0.408–0.522) <0.001 0.462 (0.408–0.522) <0.001
BMI 0.972 (0.953–0.991 0.004
BMI Stage 0.002 0.003
 Underweight Ref. Ref.
 Normal 0.759 (0.617–0.935) 0.010 0.821 (0.682–0.989) 0.038
 Overweight 0.685 (0.555–0.847) 0.000 0.723 (0.597–0.875) 0.001

ALB Albumin, FBG Fasten blood glucose, TB Total bilirubin, aHR Adjusted hazard ratio, Ref Reference