Table 4.

Interobserver Agreement for All Patterns among All Reader Pairs without and with CAC Maps Using Kappa Statistics

Note.- Kappa values among all reader pairs ranged from 0.45 to 0.80 without CAC maps and ranged from 0.72 to 0.92 after reviewing CAC maps. Readers 1 through 6 have twenty years, nine years, eight years, seven years, and six years (readers 5 and 6) of experience in interpreting CT scans, respectively. CAC = computer-aided classification