Table 3.

Head-to-head comparison of density histograms and visual scoring according to high-resolution CT technique

Parameter	Volumetric CT	Incremental CT	p
MLD	−718,201 ± 76,652	−728,451 ± 74,950	0.580
Skewness	1826 ± 619	1783 ± 388	0.738
Kurtosis	4022 ± 3200	3907 ± 2034	0.863
Best score (%)	33.2 ± 12.1	33.8 ± 11.8	0.854
Kazerooni GG score	5 [3.5; 7]	3 [2; 5.8]	0.074
Kazerooni fibrosis score	9 [6; 10.5]	9 [6; 10.8]	0.966

Data are expressed as mean ± SD or as median [25th; 75th percentile]

Abbreviations: MLA, mean lung attenuation; GG, ground glass