Table 3.

Clinical and demographic characteristics of schizophrenia patients grouped according to mnesic profile.

Group	Normal	Encoding	Encoding/ retrieval	p
	n = 29a	n = 11a	n = 18a
Age (y)	35.3 (10.9)	35.4 (11)	35.3 (8.2)	ns *
Age of onset (y)	24.8 (5.5)	22.2 (5.2)	20.8 (4.8)	< 0.05 * H = 7.88
Duration of illness (y)	9.3 (9.5)	9.7 (7.5)	12.1 (7.6)	ns *
PANSS positive subscale	11.2 (4.2)	13.3 (5.4)	12.8 (3.9)	ns *
PANSS negative subscale	14.4 (5.2)	15.5 (5.9)	17.4 (7.2)	ns *
PANSS total score	52.2 (12.3)	57.1 (15.5)	61.1 (13.5)	ns *
Total IQ	92.4 (13.5)	86.2 (9.6)	76.1 (10.1)	0.001 * (H = 3.21)
Subtypes				0.005 **
- Positive	10 (34.5%)	4 (36.4%)	5 (27.8%)
- Deficit	5 (17.2%)	1 (9.1%)	5 (27.8%)
- Disorganized	0 (0%)	3 (27.3%)	6 (33.3%)
- Residual	14 (48.3%)	3 (27.3%)	2 (11.1%)
Male	55.2%	72.7%	88.9%	< 0.05 **
Level of education				< 0.05 **
- Primary	0%	9.1%	11.1%
- Secondary	44.8%	45.5%	72.2%
- A-level (Bac) or above	55.2%	45.4%	16.7%
Atypical antipsychotics	48.3%	20%	27.8%	ns **
Anticholinergics	24.1%	27.3%	50%	ns **
Parkinsonism score	6 (6.8)	10.1 (8)	12.3 (10)	< 0.05 * (H = 6.86)

Notes: ^a mean (standard deviation) or number (%); * Kruskall-Wallis test (degrees of freedom = 2); ** Fischer test; PANSS (Positive and Negative Syndrome Scale); IQ (Intelligence Quotient).