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Table 1 Patient characteristics

From: Improvement in toxicity in high risk prostate cancer patients treated with image-guided intensity-modulated radiotherapy compared to 3D conformal radiotherapy without daily image guidance

Categorical characteristic 3DCRT n = 115 IG-IMRT n = 388 P value
  No patients (%) No patients (%)  
Performance status    0.180
  0 110 (96) 367 (95)  
  1 5 (4) 21 (5)  
Comorbidity*    0.070
  Yes 66 (60) 215 (56)  
  No 44 (40) 166 (44)  
Smoking#    0.091
  Yes 30 (32) 106 (29)  
  No 65 (68) 255 (71)  
T-stage    0.190
  ≤T2a 19 (17) 96 (25)  
  T2b 3 (2) 10 (2)  
  ≥T2c 92 (81) 281 (73)  
Gleason score    <0.001
  5-6 42 (44) 49 (13)  
  7 21 (22) 197 (51)  
  8-10 33 (34) 141 (36)  
Adjuvant ADT    0.019
  Yes 72 (88) 350 (95)  
  No 10 (12) 20 (5)  
Type of ADT    0.054
  GnRH agonist 100 (89) 365 (95)  
  Antiandrogen 12 (11) 21 (5)  
Continuous characteristic Median (range) Median (range) P value
Age (y) 63 (52–75) 66 (49–76) <0.001
PSA (ng/ml) 32.7 (4.2-150) 24.9 (4.2-200) <0.001
PPB† (%) 75 (17–100) 67 (5–100) 0.006
Follow-up (yr) 8.2 (0.1-12.5) 3.5 (0.3-7.1) <0.001
  1. *Any comorbidity at the time of diagnosis.
  2. #Smoking at the time of diagnosis.
  3. †Percentage of positive (malignant) biopsies.