Bland–Altman Analysis of Agreement of R8, IP, and IS with R16
| Parameter | Method | Mean ± SD | 95% Limits of Agreement | Size-Dependent Correlation Coefficient (r)* |
|---|---|---|---|---|
| EDV | R8 | −3.4 ± 1.8 | −7.0 to +0.2 | −0.41† |
| IP | −0.6 ± 1.9 | −4.3 to +3.2 | +0.22 | |
| IS | +0.4 ± 2.5 | −4.6 to +5.4 | +0.19 | |
| ESV | R8 | +2.3 ± 1.4 | −0.6 to +5.1 | +0.16 |
| IP | +0.8 ± 1.5 | −3.0 to +3.8 | +0.09 | |
| IS | +1.2 ± 1.7 | −2.3 to +4.7 | +0.17 | |
| EF | R8 | −3.9 ± 1.5 | −6.8 to −0.9 | −0.15 |
| IP | −1.2 ± 1.1 | −3.5 to +1.1 | −0.14 | |
| IS | −1.3 ± 1.5 | −4.2 to +1.6 | −0.09 |