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Table 2 Univariate and multivariate analyses of the prognostic factors on lymph node recurrence-free survival

From: The outcome and prognostic factors for lymph node recurrence after node-sparing definitive external beam radiotherapy for localized prostate cancer

Variable 5-year lymph node recurrence-free rate (%) p value HR (95 % CI) p value
Age
 ≥70 96 0.972   
 <70 97    
T stage
 T3–T4 93 0.003 2.68 (0.91–7.90) 0.074
 T1–T2 98    
Gleason score
 8–10 98 <0.001 5.99 (1.62–22.14) 0.007
 ≤7 90    
PSA (ng/ml)
 ≥30 94 0.100 1.26 (0.33–4.82) 0.74
 <30 97    
RFLN (%)
 >30 93 0.029 0.51 (0.10–2.60) 0.419
 <30 98    
ADT
 Yes 96 0.732   
 No 96    
  1. ADT Androgen deprivation therapy, CI confidence interval, HR hazard ratio, RFLN Roach formula for the risk of pelvic lymph node metastasis