. 2021 Nov 13;1(4):100075. doi: 10.1016/j.xops.2021.100075

Table 1.

Age and Sex Demographic Distributions

	Statistic	Alzheimer Disease	Mild Cognitive Impairment	Parkinson Disease	Normal Cognition	P
Age (yrs)	N (Subjects)	35	55	53	92	<0.001^∗
	Mean (SD)	74.5 (7.1)	72.5 (6.7)	69.0 (9.2)	68.6 (6.7)
	Min, Median, Max	59.3, 74.3, 87.3	53.5, 73.9, 89.5	44.7, 69.5, 85.3	50.6, 69.4, 80.6
Sex, male (%)	N (%)	8 (23)	26 (47)	31 (58)	24 (26)	<0.001^†

SD = standard deviation.

^∗

P value for age-based on F-test from analysis of variance.

^†

P value for sex based on chi-square test.