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Table 1 Patients’ characteristics

From: Minimal percentage of dose received by 90% of the urethra (%UD90) is the most significant predictor of PSA bounce in patients who underwent low-dose-rate brachytherapy (LDR-brachytherapy) for prostate cancer

 

Bounce (-)

Bounce (+)

p value

(n = 150)

(n = 50)

Age (year)

   

mean, median (range)

69.2, 70.0 (55-80)

67.4, 68.5 (51-79)

0.132§

PSA at diagnosis (ng/mL)

   

mean, median (range)

9.1, 7.8 (3.1-32.1)

7.8, 6.7 (3.7-16.7)

0.029§

10 or less

106

41

 

10-20

37

9

 

greater than 20

7

0

0.156*

biopsy Gleason score

   

6 or less

91

37

 

7

53

11

 

8-10

6

2

0.210*

clinical T stage

   

T1c

88

32

 

T2a

50

15

 

T2b

7

2

 

T2c

5

1

0.904*

neo-Adjuvant/ Adjuvant

   

none

102

35

 

neo-Ad (+)

40

15

 

Ad (+)

4

0

 

neo-Ad (+), Ad (+)

4

0

0.417*

Combined EBRT

   

yes

49

9

 

no

101

41

0.050*

biochemical recurrence

   

yes

10

0

 

no

140

50

0.069*

Number of PSA measurement

   

mean, median (range)

8.5, 8.0 (5-15)

10.3, 10.5 (6-14)

< 0.001§

Follow-up period (month)

   

mean, median (range)

36.7, 36.0 (18-64)

46.0, 47.0 (20-65)

< 0.001§

  1. *Chi-square test and §student t-test.