Interventions that increased the intensity and frequency of service delivery
Study	Costs	Notes
Hassiotis 2001	Total costs T: 23,808 (SD 20,583); C: 28,983 (SD 30,719) Mean difference: ‐5,175, CI 95% ‐15,692 to 5,342 Health authority costs T: 11,175 (SD 14,808); C: 21,213 (SD 29,712) Mean difference: ‐10,038, CI 95% ‐19,542 to ‐534 Staffed accommodation costs T: 9,983 (SD 13,363); C: 5,068 (SD 10,412) Mean difference: 4,916, CI 95% 188 to 9,643	Mean difference between groups (intensive and standard case management) at 24m Values in British pound (£), 1999