Table 3.

Multivariate analyses for local control (LC) and overall survival (OS)

	P value
Variables	LC	OS
Gender
Female vs. others	0.05	0.84
T stage
T1a vs. others	0.25	0.03*
Maximum amplitude of the marker movement
≥ 3 cm vs. < 3 cm	0.28	0.53

*, significant (p < 0.05).