Treatment results for severe psychiatric illness: which method is best suited to denote the outcome of mental health care?

Table 4 Mean ΔT and percentage of patients in outcome categories based on T-scores according to the JT approach

Institution		1	2	3	4	5	6	7	8	9	10	Total	Rank order^a	Rho
Continuous:	Mean ΔT	0.9	2.0	2.0	2.6	2.8	3.0	3.3	4.1	4.3	4.3	3.1	1 2/3 4 5 6 7 8 9/10
Categorical:
JT_RCI-95 (> 5)	improved	33.6	34.4	37.7	40.0	37.5	36.5	43.0	46.8	46.9	45.7	41.0	1 2 6 5 3 4 7 10 8 9	.86**
JT_CS (42.5)	changed	14.0	14.1	19.1	14.8	17.6	20.5	23.6	23.1	23.8	25.6	20.2	1 2 4 5 3 6 8 7 9 10	.95**
JT_RCI&CS	deteriorated	23.4	18.2	21.4	22.1	16.1	14.3	20.2	16.0	21.9	17.1	19.0	1 4 9 3 7 2 10 5 8 6	.38
	unchanged	43.0	47.4	40.9	37.9	46.4	49.1	36.8	37.2	31.2	37.2	40.0	6 2 5 1 3 4 8/10 7 9	.65*
	improved	21.1	21.4	19.1	26.9	22.0	18.7	21.4	24.9	23.6	21.1	22.2	6 3 1 10 2/7 5 9 8 4	.26
	recovered	12.5	13.0	18.6	13.1	15.5	17.8	21.6	21.9	23.3	24.6	18.8	1 2 4 5 6 3 7 8 9 10	.93**

^aInstitutions are rank ordered according to increased performance (the higher the rank number the more improved or recovered patients); categories “unchanged” and “deteriorated” have a reversed rank order (fewer patients means a higher rank and a better outcome)
*p < .05; **p < .01

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