Table 3.

Statistical results (quadratic fits) between IC3 and age in the 6 age groups of the 255 subjects.

	Subgroup				Cumulation
	Number	p	R		Number	p	R
20–30	44	0.077	0.117	20–30	44	0.077	0.117
31–40	44	0.672	0.019	20–40	88	2.49E − 04	0.177
41–50	42	0.317	0.057	20–50	130	1.11E − 09	0.277
51–60	45	0.032	0.151	20–60	175	4.37E − 18	0.372
61–70	50	0.01	0.179	20–70	225	1.56E − 31	0.472
71–80	30	0.71	0.026	20–80	255	1.22E − 40	0.518