Table II.

Gamma passing rates for pixels >10% prescribed dose comparing motion management strategies for periodic motion with and without added baseline drift to a static reference case. None refers to a scenario where the tracking plan was delivered, but no actual tracking was applied.

	Periodic motion			Periodic+drift motion
	1%/1mm	2%/2mm	3%/3mm	1%/1mm	2%/2mm	3%/3mm
Central delivery
Tracking
none	23	44	58	14	29	44
w/o predictor	59	83	97	–	–	–
w/ predictor	96	100	100	93	100	100
Mid‐position
conventional	–	–	–	15	29	48
trailing	–	–	–	98	99	100
Peripheral delivery
Tracking
none	22	44	58	–	–	–
w/o predictor	40	75	97	–	–	–
w/ predictor	93	100	100	88	99	100
Mid‐position
conventional	–	–	–	8	15	22
trailing	–	–	–	98	100	100