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. Author manuscript; available in PMC: 2021 Jun 1.
Published in final edited form as: Ann Surg Oncol. 2020 Jan 2;27(6):2007–2014. doi: 10.1245/s10434-019-08156-3

TABLE 3.

Multivariate Analysis for Serum CA19-9 response and survival

Variables Survival
Serum CA19-9 Response Groups
Response <65% 1
Response 65–84% 0.726 0.458, 1.151 0.174
Response ≥85% 0.474 0.278, 0.812 0.007
Pre-operative Albumin (g/dL) 0.661 0.445, 0.981 0.040
Vein Resection 1.807 1.206, 2.705 0.004
Margin Status (R1) 1.540 0.971, 2.443 0.067
Pathologic Grade 1.999 1.361, 2.937 <0.0001
Positive Nodes (N1) 1.415 0.913, 2.192 0.120
Adjuvant Chemotherapy 0.573 0.382, 0.861 0.007

Abbreviations: R1: positive margin, N1: any positive nodes.