Table 1 Baseline characteristics of all patients with pathologic T3b after RP (Total N = 159).

From: Prognostic value of seminal vesicle invasion on preoperative multi-parametric magnetic resonance imaging in pathological stage T3b prostate cancer

N (%) or Mean ± SD

Negative SVI on MRI (N = 107)

Positive SVI on MRI (N = 52)

P

Age, years

67.0 ± 7.2

66.9 ± 7.7

0.951

BMI, kg/m2

24.6 ± 3.0

24.9 ± 3.3

0.556

Pre-biopsy PSA, ng/ml

26.6 ± 29.7

62.5 ± 92.5

0.009

RP GS category

  

0.041

  3 + 4

7 (6.5%)

1 (1.9%)

 

  4 + 3

50 (46.7%)

16 (30.8%)

 

  ≥4 + 4

50 (46.7%)

35 (67.3%)

 

Pathologic ECE, yes

88 (82.2%)

48 (92.3%)

0.099

Pathologic LNI, yes

21 (21.4%)

18 (34.6%)

0.080

Pathologic PSM, yes

43 (40.2%)

40 (76.9%)

<0.001

Positive ECE on MRI

41 (38.3%)

42 (80.8%)

<0.001

Positive LNE on MRI

16 (15.0%)

16 (30.8%)

0.020

BCR, yes

25 (23.4%)

20 (38.5%)

0.047

  1. BCR, biochemical recurrence; BMI, body mass index; DM, diabetes mellitus; ECE, extracapsular extension; GS, Gleason score; HTN, hypertension; LNE, lymph node enlargement; LNI, lymph node invasion; MRI, magnetic resonance imaging; PSA, prostate-specific antigen; PSM, positive surgical margin; RP, radical prostatectomy; SD, standard deviation; SVI, seminal vesicle invasion.
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