Table 5

Cost-effectiveness results (after deterministic sensitivity analyses) comparing ERS with usual care

Parameters/scenarios

How data was adjusted for in the model

Incremental cost per person

Incremental effect per person (QALY)

ICER


Base case analysis

-

£170

0.008

£20,876


Parameters


Intervention costs to participants

Costs of intervention was varied from £222 to £342 (including costs to providers and participants)

£290

0.008

£35,652


Less intensive ERS

Costs of intervention was varied from £222 to £110

£58

0.008

£7,085


Effectiveness of ERS (based on lower limit of 95% CI)

Probability of becoming active after exposure to ERS was varied from 0.336 to 0.294

£226

-0.001

Dominated*


Effectiveness of ERS (based upper limit of 95% CI)

Probability of becoming active after exposure to ERS was varied from 0.336 to 0.371

£122

0.015

£7,947


Scenarios


Worst cases of cost and effectiveness

Worst case cost (£342) and worst case effectiveness (0.294)

£346

-0.001

Dominated*


Best cases of cost and effectiveness

Best case cost (£110) and best case effectiveness (0.371)

£10

0.015

£679


Worst case cost and best case effectiveness

Best case cost (£110) and worst case effectiveness (0.294)

£242

0.015

£15,734


Best case cost and worst case effectiveness

Worst case cost (£342) and best case effectiveness (0.371)

£114

-0.001

Dominated*


*ERS more costly and less effective than control

Anokye et al. BMC Public Health 2011 11:954   doi:10.1186/1471-2458-11-954

Open Data