Comparison of User-Directed and Automatic Mapping of the Planned Isocenter to Treatment Space for Prostate IGRT

Table 2

Summary statistics over all patients.

Patient	Δ𝑋 (mm)						Δ𝑌 (mm)						Δ𝑍 (mm)
	|Avg|^†		Max, Min		Std Dev		|Avg|^†		Max, Min		Std Dev		|Avg|^†		Max, Min		Std Dev
	Clinic	Auto	Clinic	Auto	Clinic	Auto	Clinic	Auto	Clinic	Auto	Clinic	Auto	Clinic	Auto	Clinic	Auto	Clinic	Auto
1	1.3	0.4	2.8, −3.0	1.7, −0.2	1.5	0.5	2.3	1.4	6.7, −6.0	0.2, −5.8	3.0	1.7	3.2	1.2	^¥12.9, −2.2	3.5, −1.4	4.1	1.4
2	1.1	0.4	3.1, −1.6	1.2, −0.7	1.3	0.5	1.4	0.9	4.8, −4.2	2.0, −2.4	1.8	1.1	1.9	0.6	6.4, −6.6	2.5, −2.2	2.7	0.9
3	1.1	0.5	1.7, −3.4	1.7, −0.9	1.4	0.6	1.9	0.9	1.8, −6.1	2.0, −4.0	2.2	1.3	1.7	1.0	2.7, −4.9	3.5, −2.1	2.1	1.3
4	1.0	0.6	2.8, −3.6	2.8, −1.3	1.4	0.8	1.7	1.0	^¥11.7, −6.8	0.5, −4.9	2.9	1.3	2.7	0.8	^¥18.4, −6.5	1.1, −3.1	4.2	1.1
5	0.7	0.6	2.4, −1.5	1.2, −1.2	0.9	0.7	1.4	0.9	2.9, −4.4	0.8, −4.7	1.7	1.2	2.3	1.5	^¥11.2, −2.2	4.5, −1.7	3.0	1.7
6	0.8	0.4	2.1, −1.6	0.6, −2.2	1.0	0.5	1.5	1.0	3.7, −4.3	2.5, −3.3	1.9	1.3	3.0	1.1	10.4, −4.8	3.3, −2.3	3.6	1.4
7	1.2	0.7	2.7, −3.5	0.2, −2.3	1.5	0.8	1.8	0.9	3.2, −5.2	2.1, −2.3	2.2	1.1	2.0	0.8	^¥11.8, −1.4	2.8, −4.7	2.7	1.2
8	0.9	0.3	3.2, −1.8	0.9, −1.2	1.2	0.3	1.4	0.7	3.3, ^¥−6.2	0.8, −2.4	1.8	0.8	1.8	0.8	^¥14.0, −2.5	3.2, −1.9	2.8	1.1
9	0.9	0.6	3.3, 0.5	1.8, −0.4	1.0	0.6	1.4	0.8	3.0, −4.8	1.9, −1.3	1.9	0.9	2.9	0.8	4.4, −9.1	4.1, −1.3	3.6	1.1
10	0.7	0.6	2.9, −2.1	0.9, −3.1	1.0	0.8	1.0	0.8	4.6, −1.3	3.5, −2.0	1.3	1.2	2.0	1.3	5.3, −6.0	3.9, −1.6	2.6	1.5
All	1.1	0.6	3.3, −3.6	2.8, −3.1	1.4	0.8	1.8	1.1	11.7, −6.8	3.5, −5.8	2.3	1.5	2.5	1.1	^¥18.4, −9.1	4.5, −4.7	3.5	1.4
Reference [12] Pat A	NA*	0.0^#		1.0^+		0.5	NA*	0.2^#		1.1^+		0.5	NA*	0.3^#		2.4^+		1.0
Reference [12] Pat B	NA*	0.3^#		1.4^+		0.6	NA*	−0.2^#		1.9^+		1.4	NA*	−0.1^#		3.5^+		1.9
Reference [13]	NA*	0.1				0.7	NA*	0.1				1.2	NA*	0.0				1.3

¥Bold values are outliers. ^†Average of unsigned differences. *Not applicable. ⁺Maximum. ^#Average of signed differences.