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Table 3 Comparison of Bias, 95% CI, and coefficient of variation (CV) of CTR measurements

From: Cardiothoracic ratio measurement using artificial intelligence: observer and method validation studies

Comparison Normal and cardiomegaly data Cardiomegaly data
Bias (95% CI) (%) CV (%) Bias (95% CI) (%) CV (%)
Manual vs AI-only −0.93 (−15.0 13.14) 5.78 −0.09 (−13.30 13.12) 5.61
Manual vs AI-assisted −0.08 (−4.22 4.07) 1.50 0.08 (−4.20 4.37) 1.54