Table 5.

P300 latency descriptive statistics in each category of the ADAS-cog, MME and GDS.

Test	Categories	n	Mean	Standard deviation	Lowest	Median	Highest
	Abnormal	30	361.2	54.5	272.7	350.2	500.0
ADAS-Cog	Normal	30	357.2	51.8	293.2	340.5	500.0
	Total	60	359.2	52.7	272.7	348.0	500.0
	Abnormal	37	368.1	59.9	272.7	355.2	500.0
MME	Normal	23	344.8	35.0	293.2	340.2	414.7
	Total	60	359.2	52.7	272.7	348.0	500.0
	Abnormal	9	359.3	38.8	293.7	373.2	397.7
GDS	Normal	51	359.2	55.1	272.7	345.7	500.0
	Total	60	359.2	52.7	272.7	348.0	500.0

Mann-Whitney test. P300 mean latency × ADAS-Cog p: 0.584. P300 mean latency X MME p: 0.199. P300 mean latency X GDS p: 0.541.