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Table 2 PSA bounce characteristics according to bounce definitions

From: Permanent 125I-seed prostate brachytherapy: early prostate specific antigen value as a predictor of PSA bounce occurrence

  Nadir + 0.2 Nadir + 0.1 Nadir + 0.4 Nadir + 2 Nadir + 15% Nadir + 35%
N (%) 71 (35.9%) 96 (48.5%) 51 (25.8%) 9 (4.5%) 103 (52.0%) 72 (36.4%)
Delay       
   Mean (SD) 18.5 (9.0) 18.7 (9.3) 18.6 (10.9) 16.5 (6.6) 21.5 (11.9) 24.6 (14.3)
   Median (range) 17.0 (3.6-50.2) 16.7 (3.6-59.2) 17.4 (3.6-78.5) 17.9 (3.6-24.2) 17.9 (3.6-76.8) 21.4 (3.6-78.5)
   P25-75 12.4-23.2 12.3-23.6 12.5-22.8 15.1-20.0 12.7-27.8 11.9-24.5
Magnitude       
   Mean (SD) 1.0 (1.0) 0.7 (0.9) 1.2 (1.1) 3.2 (1.3) 0.7 (0.9) 0.9 (1.1)
   Median (range) 0.6 (0.2-5.1) 0.4 (0.1-5.1) 0.8 (0.4-5.1) 2.5 (2.1-5.1) 0.4 (0.01-5.1) 0.6 (0.01-5.1)
   P25-75 0.3-1.3 0.2-0.8 0.6-1.5 2.1-4.6 0.1-0.8 0.2-1.3
Duration       
   Mean (SD) 16.5 (8.5) 15.2 (8.0) 17.7 (9.2) 24.8 (13.0) 16.6 (9.5) 18.8 (10.8)
   Median (range) 13.6 (4.0-44.9) 12.9 (3.2-44.9) 15.9 (4.0-44.9) 29.3 (6.2-44.9) 13.6 (3.2-58.5) 16.8 (3.2-58.5)
   P25-75 10.8-20.3 9.9-18.5 10.8-23.4 13.6-34.1 10.8-19.8 11.9-24.5
Delay for ascension       
   Mean (SD) 7.9 (4.9 7.1 (4.7) 8.3 (5.2) 9.9 (5.9) 7.4 (4.9) 8.2 (5.6)
   Median (range) 6.4 (1.3-23.0) 6.0 (0.4-23.1) 6.4 (1.5-23.0) 11.1 (3.0-19.0) 6.0 (0.4-23.1) 6.2 (0.4-23.1)
   P25-75 4.4-11.0 3.7-8.3 4.4-11.1 4.9-11.8 3.7-10.6 3.8-11.7