Although survival was higher in patients with grade I disease compared to grade II and III (HR = 1.5, 95% CI 0.5–2.0, P = 0.35), the association of low histologic grade and prognosis did not reach statistical significance.
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Although survival was higher in patients with grade I disease compared to grade II and III (HR = 1.5, 95% CI 0.5–2.0, P = 0.35), the association of low histologic grade and prognosis did not reach statistical significance.