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Table 3 Number of randomised studies by broad linkage category by reported significant outcome

From: Effectiveness of service linkages in primary mental health care: a narrative review part 1

Broad linkage category Number of studies Clinical Service delivery Economic
Direct collaborative activities only 6 2/5 1/5 1/3
Direct collaborative activities + Agreed guidelines 5 3/5 1/2 2/3
Direct collaborative activities + Communication systems 10 5/9 5/5 3/5
Direct collaborative activities + Agreed guidelines + Communication systems 16 13/16 7/9 3/4
Direct collaborative activities + Communication systems + Service agreement 1 0 0 0
Communication systems only 4 0/2 1/4 0/1
Total 42 23/37 15/25 9/16
  1. Number reporting a statistically significant positive outcome/the number assessing that outcome.
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