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. Author manuscript; available in PMC: 2019 Nov 1.
Published in final edited form as: Oral Oncol. 2018 Oct 11;86:278–287. doi: 10.1016/j.oraloncology.2018.10.005

Figure 4:

Figure 4:

Kaplan-Meier survival curve for median cutoff of 136 cells/mm2. The survival distributions for the two entire section density groups were statistically significantly different (Chi-square = 11.413, p=0.001), demonstrating that the overall survival of patients with high-density entire section cellularity was significantly longer than patients with low-density section cellularity. The median survival (the smallest time at which the survival probability drops to at or below 50%) was 18 years for the high- density section group (95% CI 9.1-26.9 years), compared to 5 years for the low-density section group (95% CI 0.6-9.4 years). The Kaplan-Meier survival curves shown below demonstrates that patients with low-density section cellularity were at a greater risk of earlier death than patients with high-density section cellularity.