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Figure 2 Bland-Altman Plot of Annulus Measurement at Surgery and by Echocardiography

(A) Bland-Altman plot comparing annulus measurement at surgery with TTE. (B) Bland-Altman plot comparing annulus measurement at surgery with TEE. TEE = transesophageal echocardiogram; TTE = transthoracic echocardiogram. Filled diamonds = difference; black lines = mean difference; blue lines = mean difference ± SD.