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Table 2 Data for subjects related to the time of normalization of PSA < 1 ng/mL

From: Normalization of prostate specific antigen in patients treated with intensity modulated radiotherapy for clinically localized prostate cancer

  Normalization of PSA to < 1 ng/mL
Time to normalization (d) * (n = 93) 332 ± 18
IMRT with or without NAAD*  
   With NAAD (n = 49) 303 ± 24
   Without NAAD (n = 21) 405 ± 46
IMRT Boost*  
   Yes (n = 27) 359 ± 34
   No (n = 66) 328 ± 22
Tumor Stage*  
   T1c (n = 70) 329 ± 18 a
   T2, T2a, T2b, T2c (n = 16) 440 ± 59 a
   T3, T3a, T3b (n = 6) 154 ± 33 b
Correlation to time of normalization of PSA  
   Age at time of CT (n = 84) 0.01
   Length of hormone trt (n = 45) 0.19
   Gleason Score (n = 93) -0.22
   Pre-PSA (n = 93) -0.13
  1. Abbreviation: PSA = Prostate specific antigen; NAAD = Neoadjuvant androgen deprivation therapy; IMRT = intensity modulated radiation therapy
  2. * mean ± SEM
  3. † correlation coefficient
  4. ‡ p < 0.05
  5. § values in a column followed by a different letter are significantly different (p < 0.05)