No significant differences in changes in any variable from baseline to week 8 were found between the two groups ( changes in the yoga group versus the control group : RS score , -1.619.9 versus 0.317.2 ; PANSS score , 0.512.0 versus 5.015.6 ; plasma BDNF , 41.6377.0 pg/dl versus 73.4346.0 pg/dl ; SAA , -26.272.6 kU/l versus -13.868.0 kU/l , respectively ) .