Fig. 3
From: Study of prostate-specific antigen levels during salvage radiotherapy after prostate cancer surgery
A: Biochemical recurrence-free survival and Gleason Score ≧ 8 or < 7 in cases with a decline in PSA levels. P values were calculated by the log-rank test, with stratification according to the radiation therapy group. B: Biochemical recurrence-free survival and PSADT ≧ 90 or < 90 (day) in cases with a decline in PSA levels. P values were calculated by the log-rank test, with stratification according to the radiation therapy group. C: Biochemical recurrence-free survival of cases with and without neural invasion among cases with a decline in PSA levels. P values were calculated by the log-rank test, with stratification according to the radiation therapy group