marginal significancep = 0.068
EBRT (HR 0.212, 95% CI 0.052–0.862; p = 0.03), along with a marginal significance detected on eliminating hormonal factor (HR 0.255, 95% CI 0.062–1.04; p = 0.068) or the age factor (HR 0.145, 95% CI 0.020–1.04; p = 0.055).