Fig. 6From: Cardiothoracic ratio measurement using artificial intelligence: observer and method validation studiesLinear correlation (a, c) and Bland–Altman (b, d) plots of Manual and AI-assisted method on all (the first row) and cardiomegaly (the last row) data. Note: These comparisons had low variation on both types of data and unlike from Manual and AI-only method (Fig. 5), their R-squared were consistency at good category (0.978 and 0.9482)Back to article page