Cost-effectiveness of family psychoeducation to prevent relapse in major depression: Results from a randomized controlled trial
BMC Psychiatry, 05/17/2012Shimodera S et al.
Family psychoeducation is effective in the relapse prevention of depression and is highly likely to be cost–effective if a relapse–free day is valued as US$20 or more.
Fifty-seven patients diagnosed with major depression and undergoing its maintenance treatment, and their primary family members were randomized to treatment as usual (TAU) only or to TAU plus family psychoeducation, which consisted of four 2-hour multiple-family sessions consisting of didactic lectures about depression (30 minutes) and group discussion and problem solving (60-90 minutes).
The economic analyses were undertaken from the perspective of the National Health Insurance (NHI), assuming the most reasonable price of US$50 per psychoeducation session per patient.
The main outcome measures included relapse-free days and direct costs to the NHI.
The intervention group enjoyed 272 (SD: 7.1) relapse-free days, while the control group spent 214 (SD: 90.8) relapse-free days (Cox proportional hazard ratio=0.17, 95%CI: 0.04 to 0.75, p=0.002).
Cost-effectiveness acceptability curves suggested that the family psychoeducation has 90% or more chances of being cost-effective if the decision-maker is prepared to pay US$20 for one additional relapse-free day.
This cost-effectiveness finding was robust when the price for family psychoeducation ranged between 50% to 150% of the baseline scenario in sensitivity analyses.
If a relapse-free day is considered to be worth $30 or more, all the pricing scenarios have a close to 100% probability of being cost-effective.
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