Repeatability parameter | Intra-observer | Inter-observer |
|---|
rsUEG | 0.99 (0.97–1.00) | 0.98 (0.94–1.00) |
rsAT | 0.88 (0.79–0.93) | 0.86 (− .70–0.88) |
rsRT | 0.83 (0.81–0.89) | 0.76 (0.72–0.85) |
rsARI | 0.80 (0.79–0.87) | 0.75 (0.71–0.81) |
iccUEG | 0.93 (0.83–0.98) | 0.92 (0.81–0.97) |
iccAT | 0.93 (0.85–0.96) | 0.88 (0.75–0.90) |
iccRT | 0.90 (0.87–0.92) | 0.83 (0.80–0.91) |
iccARI | 0.90 (0.85–0.93) | 0.85 (0.81–0.90) |
∆AT, ms | 1.25 (0.42–2.50) | 1.25 (0.42–3.33) |
∆RT, ms | 2.08 (0.83–4.58) | 2.08 (0.83–6.25) |
∆ARI, ms | 2.08 (0.83–5.00) | 2.50 (0.83–7.50) |
∆AT, % | 0.91 (0.34–2.04) | 1.15 (0.43–2.64) |
∆RT, % | 0.54 (0.21–1.24) | 0.62 (0.23–1.75) |
∆ARI, % | 0.84 (0.34–2.11) | 1.13 (0.41–3.28) |
- All p values (not shown) are statistically significant
- Data are presented as median (IQR)
- icc inter-class correlation coefficient 2-way random effects without interactions
- rsUEG average spearman’s correlation coefficient across each individual cardiac site (n = 12′937), rsAT, rsRT and rsARI average spearman’s correlation coefficient measuring the similarity of the activation, repolarization and ARI sequence per participant (n = 20 in each group), iccUEG average icc across each cardiac site (n = 12′937); iccAT, iccRT and iccARI average icc measuring the similarity of the activation, repolarization and ARI sequence per participant (n = 20 in each group); ∆AT, ∆RT and ∆ARI absolute difference in AT, RT and ARI across each individual cardiac site (n = 12′937) as presented in ms and %; UEG unipolar electrogram; Other abbreviations as in Tables 1
