Table 2.

Results of the Bland-Altman analysis illustrating inter-vendor agreement

	Bias (%)	LOA (%)	p
LV-GLS (n = 51)
Site I vs. II	1.21	− 5.25 to 7.68	0.012
Site I vs. III	1.24	− 4.47 to 6.92	0.004
Site II vs. III	0.01	− 4.78 to 4.81	0.968
LV-GCS (n = 47)
Site I vs. II	1.14	− 2.34 to 4.64	< 0.001
Site I vs. III	1.88	− 3.02 to 6.79	< 0.001
Site II vs. III	0.61	− 3.99 to 5.20	0.083