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Table 1 Patient characteristics of the RP and IMRT groups

From: Intensity-modulated radiotherapy versus radical prostatectomy in patients with localized prostate cancer: long-term follow-up

  RP IMRT p
No. of patients 993 207  
Mean age (95% CI) 63 (62.6–63.5) 70 (69–71) p < 0.001*
Mean PSA (95% CI) 9.8 (9.1–10.5) 13.6 (11.8–16.6) p < 0.001*
Mean % PCa biopsy (95% CI) 17.6 (16.1–18.9) 25.7 (22–29.6) p < 0.001*
DRE    p < 0.001†
T1 (n/%) 537/ 53.7% 84/ 40.6%  
T2 (n/%) 175/ 18% 70/ 34%  
T3 (n/%) 29/ 4% 53/ 26%  
T4 (n/%) 0 0  
Unknown (n/%) 266/26.7% 0  
D’Amico classification    p < 0.001†
Low risk (n/%) 194/19.5% 40/19.3%  
Intermediate risk (n/%) 525/52.9% 79/37.7  
High risk (n/%) 216/21.7% 78/38%  
Unknown (n/%) 56/5.6% 10/4.89  
  1. *p values from unpareid t test for two means. p values from chi-square test.