Table 6. Comparison between R Factor, ALxK and ALMA methods in Group B.

Group B
Formula	R Factor	ALxK	ALMA
% <0.5 D	33–48.53%	32–47.06%	35–51.47%
% <1.0 D	53–77.94%	53–77.94%	54–79.41%
Median absolute error	0.67D	0.67D	0.55D
MIN/MAX error	0.03/2.52D	0.03/2.52D	0.05/2.52D
STD error	0.07D	0.07D	0.07D
95% confidence interval	0.61–0.86D	0.63–0.86D	0.59–0.85D