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Table 3 Inter- and intra-observer variability

From: Peak longitudinal strain most accurately reflects myocardial segmental viability following acute myocardial infarction - an experimental study in open-chest pigs

Index

Inter-observer

variability

Intra-observer

variability

Longitudinal strain

0.76 (0.65–0.84)

0.89 (0.83–0.93)

Circumferential strain

0.77 (0.66–0.84)

0.75 (0.63–0.83)

Radial strain

0.82 (0.72–0.88)

0.86 (0.79–0.91)

  1. Inter- and intra-observer variability as determined by intraclass correlation coefficients with 95% confidence intervals.