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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)