Optical Surface Management System for Patient Positioning in Interfractional Breast Cancer Radiotherapy

Table 2

Comparison of overall positioning errors in 20 breast cancer patients using OSMS and CBCT scan.

Patient number	(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)	(10)
OSMS (cm)
CBCT (cm)
value	0.65	0.13	0.15	0.17	0.18	0.18	0.94	0.15	0.58	0.67
Patient number	(11)	(12)	(13)	(14)	(15)	(16)	(17)	(18)	(19)	(20)
OSMS (cm)
CBCT (cm)
value	1.00	0.38	0.50	0.83	0.65	0.09	0.88	0.11	0.61	0.55

OSMS: Optical Surface Management System; CBCT: cone-beam computed tomography. The value was obtained using paired -tests.