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Table 6 Intra-observer and inter-observer reproducibility for LA functional parameters

From: Quantification of left atrial function in patients with non-obstructive hypertrophic cardiomyopathy by cardiovascular magnetic resonance feature tracking imaging: a feasibility and reproducibility study

 Intra-observerInter-observer
CV (%)ICC95% CICV (%)ICC95% CI
LAVmax6.50.950.87–0.987.40.930.83–0.97
LAVpre-a7.10.950.88–0.988.60.930.82–0.97
LAVmin6.70.960.90–0.987.70.950.87–0.98
LA total EF2.20.950.89–0.982.70.930.82–0.97
LA passive EF6.60.940.85–0.978.40.890.73–0.95
LA active EF4.30.960.89–0.986.60.880.72–0.95
εs6.60.930.83–0.979.30.880.72–0.95
εe7.90.940.86–0.9810.00.910.76–0.96
εa7.10.960.90–0.989.80.930.84–0.97
SRs7.40.930.84–0.9710.30.880.73–0.95
SRe8.40.940.86–0.9810.60.910.79–0.96
SRa5.50.980.96–0.998.40.960.89–0.98
  1. CV coefficient of variation, ICC intraclass correlation coefficient, LAVmax left atrial maximum volume, LAVpre-a left atrial pre-atrial contraction volume, LAVmin left atrial minimum volume, LAEF left atrial emptying fraction, εs total strain, εe passive strain, εa active strain, SRs peak positive strain rate, SRe peak early negative strain rate, SRa peak late negative strain rate