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

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

Institution   1 2 3 4 5 6 7 8 9 10 Total Rank ordera 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:
 JTRCI-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**
 JTCS (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**
 JTRCI&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**
  1. 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)
  2. *p < .05; **p < .01