a decreasing trendP < 0.001
There was a decreasing trend in NSS (F(1,127) = 41.16, P < 0.001), positive symptoms (F(1, 127) = 133.78, P < 0.001), general psychopathological symptoms (F(1, 127) = 113.71, P < 0.001), and WCST perseverative errors (F(1, 127) = 28.81, P < 0.001) in both patient groups.