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Direct medical costs attributable to type 2 diabetes mellitus: a population-based study in Catalonia, Spain.

ABSTRACT: We estimated healthcare costs associated with patients with type 2 diabetes compared with non-diabetic subjects in a population-based primary care database through a retrospective analysis of economic impact during 2011, including 126,811 patients with type 2 diabetes in Catalonia, Spain. Total annual costs included primary care visits, hospitalizations, referrals, diagnostic tests, self-monitoring test strips, medication, and dialysis. For each patient, one control matched for age, gender and managing physician was randomly selected from a population database. The annual average cost per patient was €3110.1 and €1803.6 for diabetic and non-diabetic subjects, respectively (difference €1306.6; i.e., 72.4 % increased cost). The costs of hospitalizations were €1303.1 and €801.6 (62.0 % increase), and medication costs were €925.0 and €489.2 (89.1 % increase) in diabetic and non-diabetic subjects, respectively. In type 2 diabetic patients, hospitalizations and medications had the greatest impact on the overall cost (41.9 and 29.7 %, respectively), generating approximately 70 % of the difference between diabetic and non-diabetic subjects. Patients with poor glycaemic control (glycated haemoglobin >7 %; >53 mmol/mol) had average costs of €3296.5 versus €2848.5 for patients with good control. In the absence of macrovascular complications, average costs were €3008.1 for diabetic and €1612.4 for non-diabetic subjects, while its presence increased costs to €4814.6 and €3306.8, respectively. In conclusion, the estimated higher costs for type 2 diabetes patients compared with non-diabetic subjects are due mainly to hospitalizations and medications, and are higher among diabetic patients with poor glycaemic control and macrovascular complications.

SUBMITTER: Mata-Cases M

PROVIDER: S-EPMC5047944 | biostudies-literature | 2016 Nov

REPOSITORIES: biostudies-literature

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Direct medical costs attributable to type 2 diabetes mellitus: a population-based study in Catalonia, Spain.

Mata-Cases Manel M Casajuana Marc M Franch-Nadal Josep J Casellas Aina A Castell Conxa C Vinagre Irene I Mauricio Dídac D Bolíbar Bonaventura B

The European journal of health economics : HEPAC : health economics in prevention and care 20151105 8

We estimated healthcare costs associated with patients with type 2 diabetes compared with non-diabetic subjects in a population-based primary care database through a retrospective analysis of economic impact during 2011, including 126,811 patients with type 2 diabetes in Catalonia, Spain. Total annual costs included primary care visits, hospitalizations, referrals, diagnostic tests, self-monitoring test strips, medication, and dialysis. For each patient, one control matched for age, gender and m ...[more]

PMID: 26542160

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Project description:ObjectiveTo evaluate type 2 diabetes mellitus (T2DM)-related direct medical costs by complication type and complication number, and to assess the impacts of complications as well as socioeconomic factors on direct medical costs.DesignA cross-sectional study using data from the region's diabetes management system, social security system and death registry system, 2015.SettingTongxiang, China.ParticipantsIndividuals diagnosed with T2DM in the local diabetes management system, and who had 2015 insurance claims in the social security system. Patients younger than 35 years and patients whose insurance type changed in the year 2015 were excluded.Main outcome measuresThe mean of direct medical costs by complication type and number, and the percentage increase of direct medical costs relative to a reference group, considering complications and socioeconomic factors.ResultsA total of 19?015 eligible individuals were identified. The total cost of patients with one complication was US$1399 at mean, compared with US$248 for patients without complications. The mean total cost for patients with 2 and 3+ complications was US$1705 and US$2994, respectively. After adjustment for socioeconomic confounders, patients with one complication had, respectively, 83.55% and 38.46% greater total costs for inpatient and outpatient services than did patients without complications. The presence of multiple complications was associated with a significant 44.55% adjusted increase in total outpatient costs, when compared with one complication. Acute complications, diabetic foot, stroke, ischaemic heart disease and diabetic nephropathy were the highest cost complications. Gender, age, education level, insurance type, T2DM duration and mortality were significantly associated with increased expenditures of T2DM.ConclusionsComplications significantly aggravated expenditures on T2DM. Specific kinds of complications and the presence of multiple complications are correlated with much higher expenditures. Proper management and the prevention of related complications are urgently needed to reduce the growing economic burden of diabetes.

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Direct medical costs attributable to type 2 diabetes mellitus: a population-based study in Catalonia, Spain.

Publications

Direct medical costs attributable to type 2 diabetes mellitus: a population-based study in Catalonia, Spain.

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