. Author manuscript; available in PMC: 2014 Aug 5.

Published in final edited form as: Int J Radiat Oncol Biol Phys. 2010 Apr 8;79(1):195–201. doi: 10.1016/j.ijrobp.2009.10.008

Table 4.

Regression parameter and degree of significance from the Wald test of dose and squared dose on long term rate of change of PSA adjusted for iPSA, T-stage and Gleason as well as dose and squared dose on post-treatment PSA and short term drop of PSA, and derived estimate of the α/β ratio with 95% confidence bands per dataset.

	Dose	Squared dose	α/β	95% CI ^*
UM	-0.0052 (p=0.75)	-0.0013 (p=0.89)	4.12	[-1.91;+∞[

RTOG	0.0117 (p=0.167)	-0.0068 (p=0.003)	-1.72	[-2.83;1.86]

PMCC	-0.185 (p=0.156)	0.0901 (p=0.166)	-2.05	]-∞;+∞[

WBH	-0.0264 (p<0.001)	-0.0025 (p=0.541)	10.68	[1.17;+∞[

RBH	0.00005 (p=0.99)	-0.00037 (p=0.94)	-0.143	]-∞;+∞[

Vancouver	-0.0098 (p=0.0014)	-0.0102 (p=0.027)	0.959	[0.36;7.53]

∞ was noted for bounds >1,000 or <1,000.