Table 2.

Characteristics of patients in the study and classification according to PHES score. Values are expressed as mean ± SEM.

Patient Type	Without MHE	With MHE
Patients (male/female)	$23(19/4)$	$24(20/4)$
Age	$60.7\pm 1.6$	$61\pm 1.8$
Educative Level (years)	$12\pm 3$	$12\pm 3$
PHES: average scores	$-0.75\pm 0.23$	$-7.26\pm 0.74$