Table 1.

Sociodemographic characteristics of CPZ vs. CLZ groups.

-	CPZ	CLZ	F/x2	P-Value
Age (years)	60.2±8.5	59.4±8.7	0.417	0.519
Smoking history	-	-	-	-
Yes	64	50	5.243	0.022*
No	36	54
Education (years)	8.4±2.1	8.6±2.1	0.436	0.51
Age of onset (Years)	24.1±8.5	22.5±5.9	2.493	0.116
Duration of hospitalisation (months)	280.8±116.7	291.9±106.4	0.502	0.479
BMI	23.4±3.8	24.0±3.7	2.533	0.113