Table 2.

Reliability and prediction accuracy of the manual vs. automated analysis of cardiac cycle TAMean velocities

	Resting			Postcontraction
	Manual ICC	Auto ICC	SEE, cm/s	Manual ICC	Auto ICC	SEE, cm/s
Interrater	0.85 (0.78–0.9)	0.99 (0.99–0.99)	0.60 (12.6%)	0.90 (0.86–0.93)	0.99 (0.98–0.99)	1.63 (6.7%)
Intrarater, rater 1	1.00 (1.00–1.00)	0.99 (0.99–1.00)	0.38 (7.83%)	1.00 (1.00–1.00)	1.00 (1.00–1.00)	1.38 (5.72%)
Intrarater, rater 2	0.94 (0.92–0.96)	0.99 (0.99–0.99)	0.74 (15.6%)	1.00 (0.99–1.00)	1.00 (1.00–1.00)	1.81 (7.39%)

ICC values are given as ICC (95% confidence interval). Interrater ICC method (2,k) calculated as the average of analysis trials 1 and 2 for each rater. Intrarater ICC method (2,1) calculated as the agreement between analysis trials 1 and 2 for each rater. SEE values are given as SEE (SEE %). SEE % represents the SEE divided by the average TAMean velocity for the manual method multiplied by 100. ICC, intraclass correlation coefficient; SEE, standard error estimate.