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Table 2 CMR/US methods comparison by Passing & Badlock regression analysis, paired samples t-tests and Bland & Altman (BA) plot.

From: Comparison of echocardiographic (US) volumetry with cardiac magnetic resonance (CMR) imaging in transfusion dependent thalassemia major (TM)

CMR – US EDv (ml) ESv (ml) Sv (ml) EF (%) EF – SF (%)
Mean diff ± SD 11.22 ± 26.03 2.80 ± 12.41 8.25 ± 19.79 0.59 ± 6.60 -
p (t-test) 0.0003 0.0514 (NS) 0.0005 0.3684 (NS) -
r (p < 0.0001) 0.8135 0.8081 0.7763 0.5990 0.5771
BA limits -39.8 to 62.2 -21.5 to 27.1 -30.5 to 47.0 -12.3 to 13.5 -
BA range 102.0 48.6 79.7 25.8 -