Table 3.

Results of covariance analysis

	Wilks’ λ
Effect	Value	F	Significance
Age	0.084	2.712	0.173
Sex	0.170	1.220	0.469
Education	0.136	1.591	0.351
MMSE score	0.277	0.653	0.760
Disease duration	0.508	0.242	0.983

MMSE Mini Mental State Examination

The table shows statistical values for sex, age, education, MMSE score and disease duration used as covariates in a multivariate analysis of variance including all cognitive subdomains as dependent variables and diagnosis as a fixed factor