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Table 2 Model fit evaluated by Akaike information criterion (AIC) for three mixed effects models

From: Reproducibility of semiautomated body composition segmentation of abdominal computed tomography: a multiobserver study

A: Only general observer to observer variation 2240 1813 2594 2508
B: Only systematic variation between observers in how segmentation was performed 2247 1866 2635 2527
C: Full model (A + B) 2242 1815 2596 2510
  1. Data are AIC values. Lower AIC values indicate better model fit
  2. AMC abdominal muscle compartment, IMAT inter- and intramuscular adipose tissue, VAT visceral adipose tissue, SAT subcutaneous adipose tissue