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 1

Interobserver variability among measurements: relative standard deviation.

Diametric	4.65%
Areametric	3.95%
Areametric, estimated	9.31%
Volumetric	4.04%
Volumetric, estimated	13.95%