Table 2

Clinical and pathologic findings in the two study groups

Intervention group (n = 15)Control group (n = 11)P
Plasma PSA level (mean ± SE, ng/ml)
 Preintervention6.89 ± 0.816.74 ± 0.88
 Postintervention5.64 ± 0.877.65 ± 1.780.25a
(P = 0.22)b
Plasma lycopene level (mean ± SE, ng/ml)
 Preintervention28.3 ± 6.928.6 ± 7.1
 Postintervention23.5 ± 2.417.5 ± 3.10.15c
(n = 11)(n = 6)
Extent of HGPIN (n)
 Focal50
 Multifocal/diffuse10110.05
Postsurgical Gleason score
 ≤674
 >6870.70
Prostatic tumor volume (cm3)
 ≤4125
 >4360.22
Surgical tumor stage (n)
 Confined to prostate112
 Not confined to prostated490.02
  • a P is for comparing the change from pre- to postintervention PSA in the two groups.

  • b P is for comparing the preintervention and postintervention PSA in the lycopene group.

  • c P value is for comparing the postintervention mean values between the two groups.

  • d Resection margins are positive, and/or extraprostatic invasion is present.