Finally, were highlighted highly significant correlations (p Spearman <0.0001) between age of the subjects and the level of cognitive deficit expressed through MMSE scores, which are directly influencing the social skills of the persons with schizophrenia, as well as between the high level of the perceived stress and the longest duration from the onset of the disease (over 5 years) (p Spearman < 0.05) (Table 6 , Fig. 1 , Fig. 2 , Fig. 3 ).
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