Table 3.

Mean values of age, N1, P2, N2 and P3 latencies, and N1-P2 and N2-P3 amplitudes of 17 subjects with Down's syndrome according to gender.

Parameters	Gender Male Mean Values	Gender Female Mean Values	p - value
Age	26,8	23,9	0,2768
N1 latency	103,0	106,5	0,5540
P2 latency	180,2	173,3	0,3019
N2 latency	303,6	267,9	0,5593
P3 latency	364,1	348,3	0,3683
N1 - P2 amplitude	8,6	9,1	0,9609
N2 - P3 amplitude	4,9	5,3	0,7911

Mann-Whitney test