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Cost-effectiveness and cost-utility study of a psychoeducational group intervention for people with depression and physical comorbidity in primary care.
Enfermería clínica (English Edition) 2024 March 19
OBJECTIVE: To evaluate the cost-effectiveness and cost-utility of a psychoeducational group intervention led by primary care (PC) nurses in relation to customary care to prevent the depression and improve quality of life in patients with physical comorbidity.
DESIGN: Economic evaluation based on data from randomized, multicenter clinical trial with blind response variables and a one-year follow-up, carried in the context of the PSICODEP study.
LOCATION: 27 PC teams from Catalonia.
PARTICIPANTS: >50 year-old patients with depression and some physical comorbidity: diabetes mellitus type 2, ischemic heart disease, chronic obstructive pulmonary disease, and/or asthma.
INTERVENTION: 12 psychoeducational group sessions, 1 per week, led by 2 PC nurses with prior training.
MEASUREMENTS: Effectiveness: depression-free days (DFD) calculated from the BDI-II and quality-adjusted life years (QALYs) from the Euroqol-5D. Direct costs: PC visits, mental health, emergencies and hospitalizations, drugs. Indirect costs: days of temporary disability (TD). The incremental cost-effectiveness ratios (ICER), cost-effectiveness (ΔCost/ΔDLD) and cost-utility (ΔCost/ΔQALY) were estimated.
RESULTS: The study includes 380 patients (intervention group [IG] = 204; control group [CG] = 176). 81.6% women; mean age 68.4 (SD = 8.8). The IG had a higher mean cost of visits, less of hospitalizations and less TD than the CG. The difference in costs between the IG and the CG was -357.95€ (95% CI: -2026.96 to 1311.06) at one year of follow-up. There was a mean of 11.95 (95% CI: -15.98 to 39.88) more DFD in the IG than in the CG. QALYs were similar (difference -0.01, 95% CI -0.04 to 0.05). The ICERs were 29.95€/DLD and 35,795€/QALY.
CONCLUSIONS: Psychoeducational intervention is associated with an improvement in DFD, as well as a reduction in costs at 12 months, although not significantly. QALYs were very similar between groups.
DESIGN: Economic evaluation based on data from randomized, multicenter clinical trial with blind response variables and a one-year follow-up, carried in the context of the PSICODEP study.
LOCATION: 27 PC teams from Catalonia.
PARTICIPANTS: >50 year-old patients with depression and some physical comorbidity: diabetes mellitus type 2, ischemic heart disease, chronic obstructive pulmonary disease, and/or asthma.
INTERVENTION: 12 psychoeducational group sessions, 1 per week, led by 2 PC nurses with prior training.
MEASUREMENTS: Effectiveness: depression-free days (DFD) calculated from the BDI-II and quality-adjusted life years (QALYs) from the Euroqol-5D. Direct costs: PC visits, mental health, emergencies and hospitalizations, drugs. Indirect costs: days of temporary disability (TD). The incremental cost-effectiveness ratios (ICER), cost-effectiveness (ΔCost/ΔDLD) and cost-utility (ΔCost/ΔQALY) were estimated.
RESULTS: The study includes 380 patients (intervention group [IG] = 204; control group [CG] = 176). 81.6% women; mean age 68.4 (SD = 8.8). The IG had a higher mean cost of visits, less of hospitalizations and less TD than the CG. The difference in costs between the IG and the CG was -357.95€ (95% CI: -2026.96 to 1311.06) at one year of follow-up. There was a mean of 11.95 (95% CI: -15.98 to 39.88) more DFD in the IG than in the CG. QALYs were similar (difference -0.01, 95% CI -0.04 to 0.05). The ICERs were 29.95€/DLD and 35,795€/QALY.
CONCLUSIONS: Psychoeducational intervention is associated with an improvement in DFD, as well as a reduction in costs at 12 months, although not significantly. QALYs were very similar between groups.
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