Table 3.

Mean and 95% confidence intervals for the percentage relative difference between lesion measurements made on different slice intervals for small and large lesion groups

Measurement	Slice interval (mm)	Size group (1D):
		<10 mm (n = 19), % difference			≥10 mm (n = 99), % difference
Mean difference (%)	95% confidence interval (%)	P value	Mean difference (%)	95% confidence interval (%)	P value
1D	1.25 vs 5	7.4	(3.3, 11.7)	0.0006	7.7	(6.3, 9.1)	<0.0001
	2.5 vs 5	9.4	(5.2, 13.7)	<0.0001	4.6	(3.3, 5.9)	<0.0001
	1.25 vs 2.5	−1.8	(−5.5, 2.1)	0.3572	2.9	(1.6, 4.3)	<0.0001
2D	1.25 vs 5	15.8	(7.1, 25.2)	0.0005	12.6	(9.4, 16.0)	<0.0001
	2.5 vs 5	20.5	(11.5, 30.3)	<0.0001	7.8	(4.7, 11.0)	<0.0001
	1.25 vs 2.5	−3.9	(−11.1, 3.9)	0.3046	4.5	(1.5, 7.6)	0.0033
VOL	1.25 vs 5	−20.0	(−30.3, −8.2)	0.0023	−2.7	(−4.8, −0.5)	0.0145
	2.5 vs 5	−7.5	(−19.5, 6.1)	0.2572	−1.4	(−3.6, 0.7)	0.1848
	1.25 vs 2.5	−13.5	(−24.7, −0.7)	0.0398	−1.2	(−3.4, 0.9)	0.2574

N = 118 lesions.