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Table 3 Multivariate analysis of factors affecting biochemical free survival

From: Nadir PSA is a strong predictor of treatment outcome in intermediate and high risk localized prostate cancer patients treated by definitive external beam radiotherapy and androgen deprivation

Factor

HR (95% CI)

p-value

T-stage

1.84 (1.073–3.155)

0.027

 T1-T2

1 (reference)

–

 T3-T4

2.886 (1.408–5.916)

0.004

GS

1.219 (0.887–1.677)

0.222

 < 8

1 (reference)

–

 8–10

2.449 (1.214–4.940)

0.012

nPSA (ng/ml)

2.306 (1.503–3.537)

<0.001

 < 0.06

1 (reference)

–

 ≥ 0.06

4.409 (2.180–8.916)

<0.001

bPSA (ng/ml)

1.003 (0.992–1.014)

0.649

 ≤ 20 ng/ml

1 (reference)

–

 > 20 ng/ml

1.641 (0.765–3.520)

0.203

RT dose (Gy)

0.916 (0.738–1.137)

0.425

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Radiation Oncology

ISSN: 1748-717X

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