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. Author manuscript; available in PMC: 2018 Mar 26.
Published in final edited form as: J Am Coll Surg. 2016 Mar 8;223(1):20–29. doi: 10.1016/j.jamcollsurg.2016.02.021

Table 3.

Relapse-Free Survival in Patients with Circulating Tumor Cells

Variable name, status, by no. of circulating tumor cells n Relapses, n/N (%) Disease-free survival rate at 3 y 95% CI p Value, log-rank test
One or more circulating tumor cells <0.001
 + 124 23/124 (19) 80 0.71–0.86
 − 385 28/385 (7) 91 0.87–0.93
Two or more circulating tumor cells 0.001
 + 39 9/39 (23) 75 0.57–0.86
 − 470 42/470 (9) 75 0.57–0.86
Three or more circulating tumor cells <0.001
 + 24 7/24 (29) 69 0.45–0.83
 − 485 44/485 (9) 89 0.86–0.92