TABLE 5

Results of Statistical Analysis for LVEF for Each Comparison Between Methods A, B, and C

Methods
AnalysisA vs. B (% points)A vs. C (% points)B vs. C (% points)
Bland–Altman
 Mean ± 2 SDs−1.1 ± 15.0−3.1 ± 17.2−4.2 ± 18.2
 CI of mean±2.8±3.3±3.4
 CI of limits±4.9±5.6±5.9
Linear regression (y = ax + b)
 a0.710.860.67
 b20.612.225.6
R20.690.600.50
 r0.830.770.70