Table 2.

PANSS Score changes

	8 y before	4 y before	2 wk before	Baseline	4 wk after	8 wk after	8 y later	Baseline vs 8 y later
								Z value	P value
Positive symptoms	32.78 ± 3.42	31.97 ± 2.87	32.60 ± 2.88	32.60 ± 2.88	28.40 ± 2.88	23.40 ± 5.27	19.40 ± 5.94	−2.032	0.042
Negative symptoms	32.01 ± 3.97	31.64 ± 4.21	31.40 ± 4.98	31.40 ± 4.98	28.80 ± 3.56	26.80 ± 4.97	25.80 ± 4.43	−2.023	0.043
Common symptoms	52.43 ± 3.42	51.97 ± 2.78	51.00 ± 4.00	51.00 ± 4.00	46.60 ± 1.95	42.40 ± 3.21	39.40 ± 5.27	−2.041	0.041
Hallucinations	5.60 ± 0.55	5.20 ± 0.55	5.60 ± 0.55	5.60 ± 0.55	4.60 ± 0.55	3.60 ± 0.55	3.00 ± 0.71	−2.06	0.039
Delusions	6.00 ± 0.00	5.60 ± 0.45	6.00 ± 0.00	6.00 ± 0.00	5.20 ± 0.45	4.40 ± 0.89	3.80 ± 1.10	−2.07	0.038
Total score	117.00 ± 8.12	115.42 ± 7.02	115.00 ± 7.45	115.00 ± 7.45	103.80 ± 3.63	92.60 ± 9.04	84.60 ± 9.96	−2.023	0.043