Table.

Mean (SD) baseline scores and mean change (95% confidence intervals) according to treatment for chronic schizophrenia. Negative changes indicate improvement

Detail	Cognitive behaviour therapy			Supportive counselling			Routine care alone		F value	P value
	Baseline	Change after treatment		Baseline	Change after treatment		Baseline	Change after treatment
No of symptoms	4.46 (3.5)	−1.6 (−2.5 to −0.7)		4.79 (3.3)	−0.5 (−1.2 to 0.2)		4.78 (3.4)	0.11 (−0.7 to 0.9)	4.99 (df=2,86)	0.009
Severity of symptoms	20.0 (16.5)	−7.8 (−12.0 to −3.8)		23.0 (16.8)	−3.9 (−6.9 to −0.9)		21.2 (15.3)	0.07 (−3.1 to 3.3)	5.42; (df=2,86)	0.006