Abstract
Nutritional intervention with oral nutritional supplements (ONS) has been shown to increase quality of life in malnourished patients. We investigated whether post-hospital supplementation with ONS is cost-effective according to international benchmarks in malnourished patients. In total, 114 malnourished patients (50.6±16.1 years, 57 female) with benign gastrointestinal disease were included and randomised to receive either ONS for 3 months and dietary counselling at discharge (intervention, n=60) or only dietary counselling at discharge (control group, n=54). Nutritional status was assessed with Subjective Global Assessment. Intervention patients documented daily intake of ONS; quality of life was assessed with Short-Form (SF)-36 Health Survey and SF-36 values were transformed into health-status utilities. Quality-adjusted life years (QALYs) were calculated by adopting the area under the curve method. We used two different pricing scenarios for ONS (minimum price: [euro]2.30 and maximum: [euro]2.93/tetrapack). The incremental cost-effectiveness ratio (ICER) of supplementation with ONS was calculated for both price scenarios. All analyses were corrected for age and gender. Intervention patients consumed 2.4±0.8 ONS per day. Intervention and control patients did not differ in their health status utilities at baseline (0.594±0.017 vs 0.619±0.018), but after 3 months, the health status utilities were significantly higher in intervention patients than in control patients (0.731±0.015 vs 0.671±0.016, P=0.028). Intervention was associated with significantly higher costs (ICER: [euro]9497 and [euro]12,099/additional QALY, respectively) but deemed cost-effective according to international thresholds (< [euro]50,000/QALY). A 3-month intervention with ONS increases quality of life in malnourished patients. This treatment appears to be cost-effective according to international benchmarks.
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