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Hazards Ratios: Factors Influencing BT and Failure of the Treatment.
| Clinical Event | Risk Factor | HR (95% CI) | P Value |
|---|---|---|---|
| Failure | Neoadjuvant HT | 4.82 (1.25-18.5) | .0218 |
| T | 1.55 (1.04-2.33) | .0326 | |
| PSA before CK | 1.04 (1.01-1.07) | .0474 | |
| Biochemical failure | Prior TD | 0.90 (0.81-0.99) | .0275 |
| Months to PSA nadir after the first RT | 1.03 (1.02-1.05) | .0005 |
Abbreviations: BT, brachytherapy; CI, confidence interval; CK, CyberKnife; HT, hormone therapy; PSA, prostate-specific antigen; RT, radiotherapy.
