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Table 4 Predictive factors for true recurrence (univariate analysis)

From: Permanent 125I-seed prostate brachytherapy: early prostate specific antigen value as a predictor of PSA bounce occurrence

  

Univariate analysis

Variables

 

OR

CI 95%

P

Age

 

1.001

0.927-1.082

0.9734

PSA at 6 weeks (wks)

 

1.158

0.943-1.422

0.1626

Pre-BT PSA

 

1.081

0.907-1.287

0.3859

Risk group (D'Amico)

Int. risk vs low risk

1.260

0.411-3.863

0.6864

BT technique

FIRST vs Free seeds

0.586

0.203-1.690

0.3222

Increased PSA at 6 wks

Yes vs no

1.519

0.456-5.063

0.4964

Dosimetric data

D95 (D95)

0.989

0.962-1.017

0.4329

 

D90 (D90)

0.985

0.956-1.015

0.3296

 

V144 (V144)

0.965

0.805-1.156

0.6972

 

Prostate volume

0.966

0.908-1.027

0.2681

 

# seeds

0.966

0.926-1.009

0.1176

 

Seed density

1.208

0.249-5.848

0.8145

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Radiation Oncology

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