Reverse remodeling of left atrium assessed by cardiovascular magnetic resonance feature tracking in hypertrophic obstructive cardiomyopathy after septal myectomy

Table 5 Intra- and interobserver reproducibility of the LA parameters derived from feature tracking

	Intraobserver reproducibility		Interobserver reproducibility
	ICC	95% CI	ICC	95% CI
LAV_max (ml)	0.99	0.97–1.00	0.98	0.94–0.99
LAV_pac (ml)	0.99	0.97–1.00	0.99	0.98–1.00
LAV_min (ml)	0.99	0.99–1.00	0.99	0.98–1.00
LA total EF (%)	0.98	0.96–0.99	0.98	0.95–0.99
LA passive EF (%)	0.90	0.77–0.96	0.93	0.83–0.97
LA booster EF (%)	0.98	0.95–0.99	0.98	0.94–0.99
εs (%)	0.99	0.92–1.00	0.95	0.68–0.99
εe (%)	0.97	0.84–0.99	0.97	0.91–0.99
εa (%)	0.98	0.94–0.99	0.92	0.54–0.98
SRs (1/s)	0.90	0.74–0.96	0.88	0.73–0.95
SRe (1/s)	0.97	0.91–0.99	0.99	0.97–0.99
SRa (1/s)	0.97	0.91–0.99	0.95	0.85–0.98

ISSN: 1532-429X