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Table 4 Intra- and Inter-observer Variabilities for LA Strain Parameters

From: Left atrial reservoir strain combined with E/E' as a better single measure to predict elevated LV filling pressures in patients with coronary artery disease

 Intra-observerInter-observer
LA strain parametersVariability (%)Intra-class
correlation coefficient
95% CIVariability (%)Intra -class correlation coefficient95% CI
LASr(%)7.87 ± 6.770.900.69–0.9711.20 ± 5.020.900.69–0.97
LAScd(%)10.53 ± 10.080.970.90–0.9917.60 ± 12.630.930.79–0.98
LASct(%)6.93 ± 3.670.870.61–0.967.53 ± 8.000.810.43–0.94
  1. For abbreviations see Tables 1 and 2