Effect of Olanzapine on Clinical and Polysomnography Profiles in Patients with Schizophrenia

Table 2

Comparison between pre- and posttreatment psychopathological scores ().

Psychopathological variables	Pretreatment (Mean ± SD)	Posttreatment (Mean ± SD)	(dF = 14)	(2-tailed)
BPRS total	56.80 ± 8.14	33.13 ± 3.09	13.69	<0.001
PANSS total	75.53 ± 8.38	45.73 ± 4.85	16.68	<0.001
PANSS positive	25.13 ± 6.65	9.67 ± 2.13	11.53	<0.001
PANSS negative	16.13 ± 5.83	12.33 ± 3.39	4.93	<0.001
PANSS general	34.27 ± 4.30	23.73 ± 2.37	10.16	<0.001

.