Table 2.

Results of the comparison between Test and Retest in analyzed symbolic dynamics indices.

Parameter		Test (mean ± SD)	Retest (mean ± SD)	p	Spearman correlation coefficient (p)	Lin’s concordance coefficient	Bias correction factor from Lin’s analysis	Intercept of the linear model divided by the mean value
Max–min method	0V	19.1 ± 9.5	19.4 ± 9.5	.48	.90 (<.01)	.94	1.00	.06
	1V	48.4 ± 2.7	48.1 ± 3.5	.78	.90 (<.01)	.89	.96	−.21
	2LV	16.9 ± 7.4	17.6 ± 7.5	.41	.93 (<.001)	.94	.99	.08
	2UV	19.1 ± 10.8	19.3 ± 11.1	1.00	.99 (<.001)	.99	1.00	<.001
σ method	0V	25.1 ± 13.0	25.9 ± 12.8	.78	.86 (<.01)	.90	1.00	.15
	1V	48.1 ± 5.6	46.4 ± 3.4	.48	.60 (.12)	.43	.83	.67
	2LV	13.7 ± 5.0	16.4 ± 6.9	.33	.55 (.16)	.56	.87	.28
	2UV	17.2 ± 10.2	18.4 ± 11.7	.58	.95 (<.001)	.94	.98	−.02
Equal-probability method (q = 6)	0V	12.9 ± 6.5	13.3 ± 8.6	1.00	.74 (<.05)	.76	.96	−.01
	1V	41.6 ± 5.2	36.3 ± 6.7	.07	.45 (.26)	.24	.69	.45
	2LV	25.0 ± 7.6	26.5 ± 7.3	.67	.38 (.35)	.46	.98	.59
	2UV	24.3 ± 12.1	25.5 ± 14.5	.33	.90 (<.01)	.94	.98	−.11
Equal-probability method (q = 4)	0V	22.7 ± 11.1	23.4 ± 11.3	.78	.69 (.06)	.69	1.00	.32
	1V	45.9 ± 4.1	45.5 ± 6.1	.67	.83 (<.01)	.68	.93	−.08
	2LV	16.7 ± 5.8	17.7 ± 5.9	.89	.45 (.26)	.51	.99	.52
	2UV	18.5 ± 11.1	19.4 ± 13.9	.48	.88 (<.01)	.96	.97	−.17

q, quantization level; 0V, patterns with no variation; 1V, patterns with one variation; 2LV, patterns with two like variations; 2UV, patterns with two unlike variations; and SD, standard deviation.