Table 2 Univariate analysis of the impact of various clinicopathologic factors on the risk of biochemical recurrence after salvage ADT

Treatment group

0.0279*

  Ultra-early salvage ADT

51

  Early salvage ADT

70

Age, years

0.0798

  <70

82

  ≥70

39

Preoperative PSA, ng/ml

0.0493*

  <20

107

  ≥20

14

Pathologic Gleason score

0.0043*

  ≤7

101

  ≥8

20

Pathologic tumor stage

0.5690

  ≤2

77

  ≥3

44

Extraprostatic extension

0.7106

  0

79

  1

42

Lymphovascular invasion

0.4606

  0

92

  1

29

Positive resection margin

0.4467

  0

41

  1

80

Seminal vesicle invasion

0.3978

  0

117

  1

4

Perineural invasion

0.5035

  0

43

  1

78