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Table 4 ICCs for intra- and interobserver variability for RA strain and strain rate

From: Right atrial function assessed by volume-derived values and speckle tracking echocardiography in patients with hypertrophic cardiomyopathy

Variable Interobserver variability Intraobserver variability
ICC 95% CI ICC 95% CI
S-reservoir (%) 0.996 0.989–0.998 0.997 0.992–0.999
S-conduit (%) 0.985 0.962–0.994 0.989 0.971–0.996
S-booster pump (%) 0.981 0.951–0.992 0.992 0.979–0.997
Sr-reservoir (S−1) 0.984 0.960–0.994 0.986 0.966–0.995
Sr-conduit (S−1) 0.984 0.960–0.994 0.971 0.925–0.988
Sr-booster pump (S−1) 0.991 0.979–0.997 0.983 0.958–0.993
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