Table 2

Variance in preoperative clinicopathological parameters between patients with and without seminal vesicle involvement (SVI)

SVI present

(n = 8)

SVI absent

(n = 116)

Univariate Multivariate
P value P value Adjusted odds ratio (95% CI)
Mean age [years] 63.6 ± 3.9 63.9 ± 5.1 0.725
PSA [ng/ml] 13.0 ± 8.1 8.7 ± 7.2 0.105
Gleason score at biopsy 8.1 ± 1.1 7.0 ± 1.0 0.005
cT stage (n) 0.153
T1c 5 (62.5%) 94 (81.0%)
T2 3 (37.5%) 15 (12.9%)
T3a 0 (0%) 7 (6.0%)
%positive cores 31.0 ± 21.3 21.3 ±16.4 0.242
TZ biopsy positive (n) 7 (87.5%) 35 (30.2%) 0.002 0.023 12.99 (1.490-111.1)
Number of apex-positive (2–4/0–1) (n) 3/5 26/90 0.278
Number of middle-positive (2–4/0–1) (n) 6/2 28/88 0.005 0.025 7.299 (1.312-40.00)
Number of base-positive (2–4/0–1) (n) 4/4 23/93 0.067

PSA, prostate-specific antigen; TZ, transition zone; apex, prostatic apex biopsy; middle, prostatic middle biopsy; base, prostatic base biopsy.

Ishizaki et al.

Ishizaki et al. Diagnostic Pathology 2012 7:68   doi:10.1186/1746-1596-7-68

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