Table 5. Interobserver intraclass correlation coefficient (ICC) and 95% CI for VHS RL, VHS LL, VLAS, and RLAD.

	VHS RL	VHS LL	VLAS	RLAD
ICC	0.89	0.91	0.49	0.22
(95% CI)	0.79–0.94	0.82–0.97	0.27–0.7	0.07–0.52

Abbreviations: CI, confidence interval; RLAD, radiographic left atrial dimension; VHS RL/LL, vertebral heart score right lateral/left lateral recumbency; VLAS, vertebral left atrial size.