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Table 4 Manual inter-observer clinical metric accuracy of mitral valve derived parameters

From: MVnet: automated time-resolved tracking of the mitral valve plane in CMR long-axis cine images with residual neural networks: a multi-center, multi-vendor study

Clinical agreement

n subjects

Manual measures

Observer 2 measures

Error measures

ICC (CI 95%)

MAPSE (mm)

50

11.1 ± 3.8

10.8 ± 3.9

−0.3 ± 1.2

0.95 (0.91–0.97)

LV e’ (cm/s)

50

6.1 ± 3.6

6.4 ± 3.5

0.3 ± 1.7

0.89 (0.81–0.93)

  1. The mean ± standard deviation are reported for manual and automated measures and their error, evaluated with \({{\text{MVnet}}_{\text{Mixed}}}\) on the mixed test set. MAPSE mitral annular plane systolic excursion, LV left ventricle, ICC intra-class correlation coefficient, CI confidence interval