Table 5.

Mean and 95% confidence intervals for the percentage relative differences between lesion measurements made on different slice intervals at the total tumour burden (i.e. patient) level

Measurement	Slice interval (mm)	% difference
		Mean difference	95% confidence interval (%)	P value
1D	1.25 vs 5	6.3	(4.5, 8.1)	<0.0001
	2.5 vs 5	4.3	(2.5, 6.1)	<0.0001
	1.25 vs 2.5	1.9	(0.2, 3.7)	0.0314
2D	1.25 vs 5	9.2	(5.7, 12.9)	<0.0001
	2.5 vs 5	6.0	(2.6, 9.5)	0.0008
	1.25 vs 2.5	3.0	(−0.3, 6.5)	0.0731
VOL	1.25 vs 5	−3.2	(−5.5, −0.9)	0.0072
	2.5 vs 5	−1.9	(−4.2, 0.5)	0.1149
	1.25 vs 2.5	−1.4	(−3.7, 1.0)	0.2415

N = 30 patients.