Skip to main content
. Author manuscript; available in PMC: 2009 Nov 1.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2008 Nov 1;72(3):782–791. doi: 10.1016/j.ijrobp.2008.01.056

Table 3.

Relative risks of clinical recurrence without and with adjustment for post-therapy PSA dynamics.

Without adjustment for post-radiation PSA With adjustment for post-radiation PSA
UM RTOG9 406 PMCC WBH Pooled UM RTOG9 406 PMCC WBH Pooled
Initial PSA 1.38 1.28 0.89 1.68 1.47 0.76 0.74 0.38 0.83 0.79
T-stage* 3 or 4 3.24 1.21 3.30 1.05 1.94 1.78 1.18 1.98 0.95 1.39
Gleason Score 7 2.92 1.98 3.30 1.72 2.11 2.07 2.23 1.54 1.40 1.62
8–10 2.78 1.79 1.76 1.45 1.66 2.01 1.09 1.84 0.97 1.16
Salvage ADT 1.42 4.11 4.03 0.72 1.09 0.35 0.55 0.37 0.29 0.33
PSA(t)†† 1.64 1.58 1.85 1.56 1.58
Rate of PSA (t) change§ 2.32 1.73 3.99 3.34 2.93

Bold underlined highly significant p<0.001; bold significant p in [0.001,0.05]; graphic file with name nihms73089ig2.jpg: not significant p>0.05.

*

Reference level T-stage 1--2

Reference level Gleason score 2--6

††

PSA(t) gives the relative risk (RR) of recurrence associated with an increase of 0.1 in the rescaled logistic link function of log(PSA+0.1) at current time

§

Rate of PSA(t) change gives the RR of recurrence associated with an unit-increase of rate of change of log(PSA+0.1) at current time