From: Variability of α/β ratios for prostate cancer with the fractionation schedule: caution against using the linear-quadratic model for hypofractionated radiotherapy
Fractionation regimen
k
α (Gy−1)
α/β ratio (Gy)
X2
P value (goodness of fit test)
Conventional fractionation
5.35
0.043
1.78
0.10
> 0.995
Moderate hypofractionation
1.15
0.026
3.46
0.51
SBRT
1.67
0.042
4.24
0.01