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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