|Table 1: Demographic characteristics of the patient and control groups.|
|PANSS: positive and negative syndrome scale; Sd: standard deviation.|
aThere were significantly more smokers in both patient groups than in the control group ().
b The duration of illness was significantly shorter in antipsychotic-free versus medicated patients ().
cAntipsychotic-free patients had higher PANSS scores for all subscales than medicated patients (positive: ; negative ; general psychopathology ; total score ).