Table 2.

Backscatter factors (BSF) measured locally compared to IPEM code of practice data.^{( 2 , 16 )}

Tube Potential (kV)	Applicator Size (cm)	Measured BSF	IPEM BSF	Difference (%)
60	3.0	1.132	1.114	+1.6
	10.0	1.185	1.179	+0.5
120	3.0	1.143	1.164	−1.8
	10.0	1.309	1.335	−1.9
160	10.0	1.369	1.350	+1.4
220	10.0	1.296	1.292	+0.3