. Author manuscript; available in PMC: 2011 Mar 1.

Published in final edited form as: Int J Radiat Oncol Biol Phys. 2010 Mar 1;76(3):905–913. doi: 10.1016/j.ijrobp.2009.09.016

Table 3.

Values for alpha and beta derived by examining survival curves for various drug + radiation combinations. Values were determined as described in methods and (8).

Alpha and Beta values derived from radiation survival curves. Drug and radiation conditions used are shown in Figure 1.

HEC59
Group	Alpha	Beta
Control	0.062	0.124
AZT	0.52	0.048
FUdR	0.55	0.069
AZT + FUdR	0.40	0.25

HC-2.4
Group	Alpha	Beta
Control	0.12	0.14
AZT	0.58	0.065
FUdR	0.61	0.086
AZT + FUdR	0.46	0.27