Table 3. Mean±standard deviation of systematic moves of 50 patients, and the p-value relating to the null hypothesis that the moves were drawn from a gaussian distribution of that mean and standard deviation^a.

	Lateral	Craniocaudal	Anteroposterior
Mean±standard deviation (mm)	0.9±1.7	1.5±3.1	1.8±4.8
p-valueb	0.50	0.02	0.76

^aPositive mean values indicate the prostate is on average to the left, inferior or posterior of reference position.

^bp<0.05 was considered to indicate statistical significance.