Bland–Altman analysis for interobserver and intraobserver variabilities and confidence intervals for A-sr
| Parameter | Interobserver mean difference | Interobserver 95% CI | Intraobserver mean difference | Intraobserver 95% CI |
|---|---|---|---|---|
| A-sr, atrial strain rate; E-sr, peak strain rate in early diastole. | ||||
| Septal peak E-sr (s−1) | 0.385 | −0.12 to 0.19 | −0.19 | −0.22 to 0.19 |
| Septal peak A-sr (s−1) | −0.137 | −0.32 to −0.05 | −0.56 | −0.17 to 0.06 |
| Septal tA-sr (s) | 3.7 | −13.6 to 24.5 | 3.5 | −14.9 to 21.9 |
| Lateral peak E-sr (s−1) | −0.35 | −0.63 to −0.08 | −0.23 | −0.65 to 0.18 |
| Lateral peak Asr (s−1) | −0.055 | −0.18 to −0.07 | −0.106 | −0.33 to 0.12 |
| Inferior peak E-sr (s−1) | −0.04 | −0.33 to −0.25 | 0.19 | −0.19 to 0.58 |
| Inferior peak A-sr (s−1) | −0.15 | −0.48 to 0.19 | 0.31 | −0.52 to 1.13 |
| Anterior peak E-sr (s−1) | 0.41 | −0.11 to 0.17 | 0.23 | −0.22 to 0.16 |
| Anterior peak A-sr (s−1) | −0.123 | −0.13 to 0.22 | −0.11 | −0.12 to 0.22 |