Table 4.

Pearson correlation analysis between the number of cigarettes smoked and the different scale scores (Pearson correlation coefficient [p-value])

	treatment group (n)		control group (n)
	Before treatment	3 weeks after treatment	Before treatment	3 weeks after treatment
PANSS positive syndrome score	-0.158(0.519)	-0.182(0.457)	0.126(0.617)	-0.141(0.577)
PANSS negative syndrome score	-0.090(0.713)	0.054(0.827)	0.130(0.606)	0.210(0.403)
PANSS general psychiatric syndrome score	-0.238(0.326)	-0.008(0.974)	0.167(0.507)	0.120(0.634)
PANSS total score	-0.191(0.433)	-0.036(0.884)	0.165(0.513)	0.127(0.616)
MADRS total score	0.186(0.446)	0.117(0.634)	0.126(0.620)	0.026(0.918)
WCST total errors (n)	0.125(0.609)	0.423(0.071)	0.355(0.148)	0.198(0.430)