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Background For the treatment of depression in diabetes patients, it is important that depression is recognized at an early stage. A screening method for depression is the patient health questionnaire (PHQ-9). The aim of this study is to validate the 9-item Patient Health Questionnaire (PHQ-9) as a screening instrument for depression in diabetes patients in outpatient clinics. Methods 197 diabetes patients from outpatient clinics in the Netherlands filled in the PHQ-9. Within 2 weeks they were approached for an interview with the Mini Neuropsychiatric Interview. DSM-IV diagnoses of Major Depressive Disorder (MDD) were the criterion for which the sensitivity, specificity, positive- and negative predictive values and Receiver Operator Curves (ROC) for the PHQ-9 were calculated. Results The cut-off point of a summed score of 12 on the PHQ-9 resulted in a sensitivity of 75.7% and a specificity of 80.0%. Predictive values for negative and positive test results were respectively 93.4% and 46.7%. The ROC showed an area under the curve of 0.77. Conclusions The PHQ-9 proved to be an efficient and well-received screening instrument for MDD in this sample of diabetes patients in a specialized outpatient clinic. The higher cut-off point of 12 that was needed and somewhat lower sensitivity than had been reported elsewhere may be due to the fact that the patients from a specialized diabetes clinic have more severe pathology and more complications, which could be recognized by the PHQ-9 as depression symptoms, while instead being diabetes symptoms.

Objectives: In 2000, the first “Dutch Manual for Costing: Methods and Reference Prices for Economic Evaluations in Healthcare” was published, followed by an updated version in 2004. The purpose of the Manual is to facilitate the implementation and assessment of costing studies in economic evaluations. New developments necessitated the publication of a thoroughly updated version of the Manual in 2010. The present study aims to describe the main changes of the 2010 Manual compared with earlier editions of the Manual. Methods: New and updated topics of the Manual were identified. The recommendations of the Manual were compared with the health economic guidelines of other countries, eliciting strengths and limitations of alternative methods. Results: New topics in the Manual concern medical costs in life-years gained, the database of the Diagnosis Treatment Combination (DBC) casemix System, reference prices for the mental healthcare sector and the costs borne by informal care-givers. Updated topics relate to the friction cost method, discounting future effects and options for transferring cost results from international studies to the Dutch situation. Conclusions: The Action Plan is quite similar to many health economic guidelines in healthcare. However, the recommendations on particular aspects may differ between national guidelines in some respects. Although the Manual may serve as an example to countries intending to develop a manual of this kind, it should always be kept in mind that preferred methods predominantly depend on a country's specific context.

Background Pompe disease is an orphan disease for which enzyme replacement therapy (ERT) recently became available. This study aims to estimate all relevant aspects of burden of illness—societal costs, use of home care and informal care, productivity losses, and losses in health-related quality of life (HRQoL)—for adult Pompe patients only receiving supportive care. Methods We collected data on all relevant aspects of burden of illness via a questionnaire. We applied a societal perspective in calculating costs. The EQ-5D was used to estimate HRQoL. Results Eighty adult patients (87% of the total Dutch adult Pompe population) completed a questionnaire. Disease severity ranged from mild to severe. Total annual costs were estimated at €22,475 (range €0–169,539) per adult Pompe patient. Patients on average received 8 h of home care and 19 h of informal care per week. Eighty-five percent of the patients received informal care from one or more caregivers; 40% had stopped working due to their disease; another 20% had reduced their working hours. HRQoL for Pompe patients who only received supportive care was estimated at 0.72, 17% lower than the Dutch population at large. Conclusions Adult Pompe disease is associated with a considerable burden of illness at both the societal and patient levels. The disease leads to substantial costs and dependency on medical devices, home care, and informal care, and has a high impact on the patient’s social network. In addition, patients are limited in their ability to work and have significantly reduced HRQoL.

Background There is an increased interest in the monetary value of a quality-adjusted life-year (QALY). Past studies commonly derived willingness to pay (WTP) for certain future QALY gains. However, obtaining valid WTP per QALY estimates proved to be difficult. Objective We conducted a contingent valuation study and estimated the individual WTP per QALY under risk. We demonstrate the impact of probability weighting on WTP per QALY estimates in the Netherlands. Results Our estimates of the value of a QALY are in the range of €80,000–110,000 when the weighting correction was applied, and €250,500 without correction. The validity of these estimates, applying probability weighting, appears to be good. Conclusions Given the reasonable support for their validity and practical meaningfulness, the estimates derived while correcting for probability weighting may provide valuable input for the debate on the consumption value of health. While decision makers should not apply these estimates without further consideration, since strictly individual valuations may not carry all relevant information and values for societal decision-making, the current estimates may provide a good and informed basis for further discussion and study of this important topic.

Background The effectiveness of collaborative care for patients with major depressive disorder in primary care has been established. Assessing its cost-effectiveness is important for deciding on implementation. This review therefore evaluates the cost-effectiveness of collaborative care for major depressive disorder in primary care. Methods A systematic search on economic evaluations of collaborative care was conducted in Pubmed and PsychInfo. Quality of the studies was measured with the Cochrane checklist and the CHEC-list for economic evaluations. Cost-effectiveness and costs per depression-free days were reported. Results 8 studies were found, involving 4868 patients. The quality of the cost effectiveness studies, according to the CHEC-list, could be improved. Generally, the studies did not include all relevant costs and did not perform sensitivity analysis. Only 4 out of 8 studies reported cost per QALY, 6 out of 8 reported costs per depression-free days. The highest costs per QALY reported were $49,500, the highest costs per depression-free day were $24. Conclusions Although studies did not fulfil all criteria of the CHEC-list, collaborative care is a promising intervention and it may be cost-effective. However, to conclude on the cost-effectiveness, depression research should follow economic guidelines to improve the quality of the economic evaluations.

The decision of the National Institute for Health and Clinical Excellence to abandon differential discounting of future health is a step backwards and could change funding decisions

This paper reports the most cost-effective policy options to support and improve breast cancer control in Costa Rica and Mexico. Total costs and effects of breast cancer interventions were estimated using the health care perspective and WHO-CHOICE methodology. Effects were measured in disability-adjusted life years (DALYs) averted. Costs were assessed in 2009 United States Dollars (US$). To the extent available, analyses were based on locally obtained data. In Costa Rica, the current strategy of treating breast cancer in stages I to IV at a 80% coverage level seems to be the most cost-effective with an incremental cost-effectiveness ratio (ICER) of US$4,739 per DALY averted. At a coverage level of 95%, biennial clinical breast examination (CBE) screening could improve Costa Rica's population health twofold, and can still be considered very cost-effective (ICER US$5,964/DALY). For Mexico, our results indicate that at 95% coverage a mass-media awareness raising program (MAR) could be the most cost-effective (ICER US$5,021/DALY). If more resources are available in Mexico, biennial mammography screening for women 50-70 yrs (ICER US$12,718/DALY), adding trastuzumab (ICER US$13,994/DALY) or screening women 40-70 yrs biennially plus trastuzumab (ICER US$17,115/DALY) are less cost-effective options. We recommend both Costa Rica and Mexico to engage in MAR, CBE or mammography screening programs, depending on their budget. The results of this study should be interpreted with caution however, as the evidence on the intervention effectiveness is uncertain. Also, these programs require several organizational, budgetary and human resources, and the accessibility of breast cancer diagnostic, referral, treatment and palliative care facilities should be improved simultaneously. A gradual implementation of early detection programs should give the respective Ministries of Health the time to negotiate the required budget, train the required human resources and understand possible socioeconomic barriers.

Which costs and benefits to consider in economic evaluations of healthcare interventions remains an area of much controversy. Unrelated medical costs in life-years gained is an important cost category that is normally ignored in economic evaluations, irrespective of the perspective chosen for the analysis. National guidelines for pharmacoeconomic research largely endorse this practice, either by explicitly requiring researchers to exclude these costs from the analysis or by leaving inclusion or exclusion up to the discretion of the analyst. However, the inclusion of unrelated medical costs in life-years gained appears to be gaining support in the literature. This article provides an overview of the discussions to date. The inclusion of unrelated medical costs in life-years gained seems warranted, in terms of both optimality and internal and external consistency. We use an example of a smoking-cessation intervention to highlight the consequences of different practices of accounting for costs and effects in economic evaluations. Only inclusion of all costs and effects of unrelated medical care in life-years gained can be considered both internally and externally consistent. Including or excluding unrelated future medical costs may have important distributional consequences, especially for interventions that substantially increase length of life. Regarding practical objections against inclusion of future costs, it is important to note that it is becoming increasingly possible to accurately estimate unrelated medical costs in life-years gained. We therefore conclude that the inclusion of unrelated medical costs should become the new standard.

Mortality rates in neonatal surgery have dropped markedly, illustrating the enormous progress made. Yet, new questions have arisen. To mention one, health care budgets have tightened. It follows that the effects of medical interventions should be weighted against their costs. As evidence was particularly sparse, we set out to analyse cost-effectiveness of neonatal surgery. The purpose of this article is to summarise our findings and to review recent studies. Moreover, this article explains the relevance of cost-effectiveness analysis and explores how cost-effectiveness interacts with other determinants of health care priority setting. Our research revealed that treatments for two common diagnostic categories in neonatal surgery (congenital anorectal malformations and congenital diaphragmatic hernia) produce good cost-effectiveness. Other groups also published cost-effectiveness studies in the field of neonatal surgery, although their number is still small. Contemporaneously, the economic aspects of health care have captured the interest of policy makers. Importantly, this is not to say that there are no other factors playing a role in priority setting, foremost among which are ethical questions and arguments of equity. This article concludes that, according to present evidence, neonatal surgery yields good value for money and contributes to equity in health.

To quantify the lifetime health and economic consequences of preventing and treating obesity with lifestyle intervention in Switzerland. A Markov model was developed comparing lifestyle intervention and standard care in overweight and obese people. Changes in weight and cardiovascular risk factors over time were modeled from reduction in body mass index, systolic blood pressure, total cholesterol and high density lipoprotein in three-year active treatment period. A probabilistic sensitivity analysis was performed. Three groups of people were followed in the analysis: overweight, borderline and moderate obese. The cost-effectiveness of interventions was compared using incremental cost-effectiveness ratio. Lifestyle intervention resulted in increased survival duration and quality of life over lifetime. Compared with standard care, the average incremental cost of lifestyle intervention was lower in borderline and obese and higher in overweight. Lifestyle intervention dominated standard care in borderline female age 35 to 55 years, borderline male age 25 to 60 years, obese female age 45 years and obese male age 55 years. Our economic analysis suggests that lifestyle intervention is cost-effective in the long-term prevention and treatment of obesity.