Do Diametric Measurements Provide Sufficient and Reliable Tumor Assessment? An Evaluation of Diametric, Areametric, and Volumetric Variability of Lung Lesion Measurements on Computerized Tomography Scans

Table 3

Analysis of interobserver reliability/reproducibility: intraclass correlation.

	Intraclass correlation	95% CI lower bound	95% CI upper bound
Diametric, single	.979	.969	.987
Diametric, average	.993	.989	.996
Areametric, single	.998	.997	.999
Areametric, average	.999	.999	1.000
Volumetric, single	.999	.999	1.000
Volumetric, average	1.000	1.000	1.000