Table 3.

Pearson correlation coefficients (r) between P50, N100, and P200 ratios, between difference scores, and between amplitudes for the control and schizophrenia groups.

	Ratio		Difference
	Control	Schizophrenia	Control	Schizophrenia
P50-N100	0.183	0.163	-0.529**	-0.473**
P50-P200	0.199	0.142	0.452**	0.322**
N100-P200	0.211*	0.396**	-0.780**	-0.706**
	S1 amplitude		S2 amplitude
	Control	Schizophrenia	Control	Schizophrenia
P50-N100	-0.582**	-0.594**	-0.155	-0.457**
P50-P200	0.448**	0.352**	0.044	0.308*
N100-P200	-0.816**	-0.741**	-0.249*	-0.315*

*p < 0.05, 2-sided; **p < 0.001, 2-sided.