Table 5

Interobserver and Intraobserver Variability

Interobserver VariabilityIntraobserver Variability
ICC95% CIICC95% CI
IC0.9890.967–0.9960.9930.979–0.998
IVR0.9730.923–0.9910.9770.931–0.992
TDV0.9990.996–1.0000.9920.977–0.997
Early diastolic LV flow acceleration0.9980.994–0.9990.9850.955–0.995

Intraobserver and interobserver variability were assessed in 5 randomly selected CRT patients during serial reactivation. Interobserver agreement and intraobserver consistency were presented by using interclass correlation coefficients (ICCs) and a 95% confidence interval (95% CI).

Abbreviations as in Table 2.