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. Author manuscript; available in PMC: 2013 Jul 1.
Published in final edited form as: J Surg Oncol. 2012 Jan 17;106(1):24–30. doi: 10.1002/jso.23051

Figure 1. Time to Recurrence in Patients with pN0 Colorectal Cancer Stratified by Occult Tumor Burden Analysis.

Figure 1

Time to recurrence in low (red line), intermediate (blue line) and high (yellow line) risk categories established by occult tumor burden (p<0.001). Time to recurrence in the uncategorized 282 pN0 patient cohort (black dashed line) ±95% confidence intervals (black dotted line) is provided for comparison. Censored values reflect death from another cancer, a non-cancer related death, death due to the cancer treatment, or loss of follow-up of individual patients [25]. Table below Kaplan Meier plot summarize the number of patients at risk as well as cumulative events for each outcome.