Table 2.

DIR test data dose differences and gamma indices for DIR sCTs vs. CTs for all patients and sub-categories; cancer site and sex where dose differences are calculated as a percentage of the prescription dose.

	Number of Patients	Dose constraint	Dose difference (%) mean (S.D) [range]	Gamma Index – mean (S.D) [range]
				3%/3 mm	2%/2 mm	1%/1 mm
All	44	D95%	0.1 (0.2) [−0.5 to 0.7]	100 (0.1) [99.8 to 100]	99.8 (0.1) [99.3 to 100]	99.5 (0.2) [99.0 to 100]
		D50%	0.1 (0.3) [−0.6 to 0.6]
		D2%	0.1 (0.3) [−0.6 to 0.7]
Rectum	27	D95%	0.1 (0.3) [−0.5 to 0.7]	100 (0.0) [99.8 to 100]	99.8 (0.1) [99.5 to 100]	99.5 (0.2) [99.0 to 100]
		D50%	0.1 (0.3) [−0.6 to 0.6]
		D2%	0.1 (0.3) [−0.6 to 0.6]
Anus	17	D95%	0.1 (0.2) [−0.2 to 0.5]	99.9 (0.1) [99.8 to 100]	99.7 (0.2) [99.3 to 100]	99.4 (0.2) [99.0 to 99.9]
		D50%	0.2 (0.2) [−0.2 to 0.5]
		D2%	0.1 (0.2) [−0.2 to 0.5]
Male	22	D95%	0.1 (0.2) [−0.2 to 0.5]	99.9 (0.1) [99.8 to 100]	99.8 (0.1) [99.5 to 100]	99.5 (0.2) [99.1 to 99.8]
		D50%	0.1 (0.2) [−0.2 to 0.5]
		D2%	0.1 (0.2) [−0.2 to 0.4]
Female	22	D95%	0.1 (0.3) [−0.5 to 0.7]	100 (0.0) [99.8 to 100]	99.8 (0.2) [99.3 to 100]	99.4 (0.3) [99.0 to 100]
		D50%	0.1 (0.3) [−0.6 to 0.6]
		D2	0.1 (0.4) [−0.6 to 0.7]