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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