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Table 5 Univariate analysis of potential prognostic factors for 5-year nadir + 2 biochemical outcome.

From: Image guided dose escalated prostate radiotherapy: still room to improve

Risk Factor

Number

Nadir +2

5-year bNED

p-value

HR (95%CI)

PSA

    

   <10

180

74.4%

  

   10-20

63

79.4%

  

   >20

16

75%

  

Continuous variable

  

0.85

1.00 (0.96-1.03)

Gleason grade

    

   5-6

96

82.3%

0.15

(reference)

   7

141

71.6%

0.06

1.73 (0.98-3.05)

   8-10

21

71.4%

0.21

1.81 (0.71-4.59)

T-category

    

   T1b-T2a

209

83.0%

0.006

(reference)

   T2b-T2c

43

64.9%

0.002

2.48 (1.42-4.36)

   T3a-TX

7

68.6%

0.56

1.56 (0.37-6.30)

Risk Grouping

    

   Low

59

86.4%

0.14

1 (reference)

   Intermediate

163

73%

0.06

2.04 (0.96-4.34)

   High

37

70.3%

0.07

2.33 (0.94-5.78)

Adjuvant Hormone

    

   No

165

76.4%

0.52

1 (reference)

   Yes

31

72.1%

0.66

0.81 (0.43-1.53)

Age

    

Continuous variable

  

0.66

1.01(0.97-1.05)