Dataset Information

Hospital Resource Utilization and Costs Associated With Warfarin Versus Apixaban Treatment Among Patients Hospitalized for Venous Thromboembolism in the United States.

ABSTRACT: A real-world US database analysis was conducted to evaluate the hospital resource utilization and costs of patients hospitalized for venous thromboembolism (VTE) treated with warfarin versus apixaban. Additionally, 1-month readmissions were evaluated. Of 28 612 patients with VTE identified from the Premier Hospital database (August 2014-May 2016), 91% (N = 26 088) received warfarin and 9% (N = 2524) received apixaban. Outcomes were assessed after controlling for key patient/hospital characteristics. For index hospitalizations, the average length of stay (LOS) was longer (3.8 vs 3.1 days, P < .001; difference: 0.7 days) and mean hospitalization cost higher (US$3224 vs US$2,740, P < .001; difference: US$484) for warfarin versus apixaban-treated patients. During the 1-month follow-up period, warfarin treatment was associated with a greater risk of all-cause readmission (odds ratio [OR]: 1.27; 95% confidence interval [CI]: 1.09-1.48, P = .003), major bleeding (MB)-related readmission (OR: 2.10; 95% CI: 1.03-4.27, P = .04), and any bleeding-related readmission (OR: 1.67; 95% CI: 1.09-2.56, P = .02) versus apixaban. The results of this real-world analysis show that compared to warfarin, apixaban treatment was associated with shorter index hospital stays, lower index hospitalization costs, and reduced risk of MB-related readmissions among hospitalized patients with VTE.

SUBMITTER: Deitelzweig S

PROVIDER: S-EPMC6714861 | biostudies-other | 2018 Nov

REPOSITORIES: biostudies-other

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Hospital Resource Utilization and Costs Associated With Warfarin Versus Apixaban Treatment Among Patients Hospitalized for Venous Thromboembolism in the United States.

Deitelzweig Steven S Guo Jennifer D JD Hlavacek Patrick P Lin Jay J Wygant Gail G Rosenblatt Lisa L Gupta Anu A Pan Xianying X Mardekian Jack J Lingohr-Smith Melissa M Menges Brandy B Marshall Alexander A Nadkarni Anagha A

Clinical and applied thrombosis/hemostasis : official journal of the International Academy of Clinical and Applied Thrombosis/Hemostasis 20181115 9_suppl

A real-world US database analysis was conducted to evaluate the hospital resource utilization and costs of patients hospitalized for venous thromboembolism (VTE) treated with warfarin versus apixaban. Additionally, 1-month readmissions were evaluated. Of 28 612 patients with VTE identified from the Premier Hospital database (August 2014-May 2016), 91% (N = 26 088) received warfarin and 9% (N = 2524) received apixaban. Outcomes were assessed after controlling for key patient/hospital characterist ...[more]

PMID: 30433823

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Project description:IntroductionThe direct oral anticoagulant (DOAC) apixaban has shown to have non-inferior efficacy and better safety than vitamin K antagonists (VKAs) in patients with venous thromboembolism (VTE). We determined whether healthcare resource use (HCRU) and direct all-cause medical and non-medical costs in patients with VTE in France differed between VKAs and apixaban.MethodsA retrospective cohort study was conducted using French national health data from January 2013-June 2018 for anticoagulant-naïve adults hospitalized with VTE. All-cause costs and HCRU per patient per month (PPPM) were compared between apixaban and VKA cohorts created by 1:1 propensity score matching. Two-part models with bootstrapping were used to calculate marginal effects for costs and HCRU.ResultsThe matched VKA and apixaban cohorts each comprised 7503 patients. Compared to VKAs, patients prescribed apixaban had significantly lower (P < 0.0001) mean all-cause costs PPPM for outpatient visits (€438.54 vs. €455.58), overall laboratory tests (€21.26 vs. €83.73), and hospitalizations (€249.48 vs. €343.82), but significantly higher (P < 0.0001) mean all-cause costs PPPM for overall drugs (€97.06 vs. €69.56) and medical procedures (€42.12 vs. €35.50). Mean total all-cause direct medical costs (€687.93 vs. €798.70) and total all-cause direct medical and non-medical costs (€771.60 vs. €883.66) were significantly lower (P < 0.0001) for apixaban. Mean HCRU PPPM showed similar trends. Subgroup analyses showed that, among patients with recurrent VTE, patients prescribed apixaban had significantly lower (P < 0.0001) all-cause costs PPPM for total medical costs (€17.26 vs. €18.12) and total all-cause direct medical and non-medical costs (€18.37 vs. €19.20) than patients prescribed VKAs. Similarly, among patients with bleeding, patients prescribed apixaban had significantly lower (P < 0.0001) all-cause costs PPPM for total medical costs (€15.34 vs. €32.61) and total all-cause direct medical and non-medical costs (€16.23 vs. €34.63) than patients prescribed VKAs.ConclusionCompared to VKAs, apixaban may be cost-saving in the treatment of patients hospitalized for acute VTE.

Project description:IntroductionImpact of demographics and socioeconomic status (SES) on anticoagulant treatment outcomes among patients with venous thromboembolism (VTE) is not well understood. This study evaluated risks of recurrent VTE, major bleeding (MB), and clinically relevant non-major bleeding (CRNMB) among older patients with VTE initiating apixaban or warfarin stratified by demographics and SES.MethodsAdult patients (≥ 65 years) who initiated apixaban or warfarin after a VTE event were selected from the US CMS Medicare database (September 2014-December 2017). Stabilized inverse probability treatment weighting (IPTW) was used to balance patient characteristics between treatment cohorts. Patients were stratified by age, gender, race, and SES. For each subgroup, Cox proportional hazard models were used to evaluate if there was a significant interaction (p < 0.10) between treatment and subgroup for recurrent VTE, MB, and CRNMB.ResultsIn total, 22,135 apixaban and 45,840 warfarin patients with VTE were included. Post-IPTW, patient characteristics were balanced between treatment cohorts. In older patients, apixaban treatment was associated with significantly lower risks of recurrent VTE (hazard ratio [HR] 0.64; 95% confidence interval [CI] 0.52-0.79), MB (HR 0.65; 95% CI 0.57-0.75), and CRNMB (HR 0.79; 95% CI 0.75-0.85) versus warfarin. When stratified by demographics and SES, higher incidence rates of recurrent VTE, MB, and CRNMB were observed for black vs white patients and patients with lower vs higher SES. Comparison of apixaban with warfarin by different demographic and SES subgroups showed generally consistent results as the overall analysis. For most subgroups, no significant interaction was observed between treatment and subgroup strata for recurrent VTE, MB, and CRNMB.ConclusionAmong older patients with VTE initiating apixaban or warfarin, higher rates of recurrent VTE and bleeding were observed in black patients and patients with lower SES. Apixaban had a lower risk of recurrent VTE, MB, and CRNMB compared to warfarin. Analyses of demographic and SES subgroups showed consistent findings.

Dataset Information

Hospital Resource Utilization and Costs Associated With Warfarin Versus Apixaban Treatment Among Patients Hospitalized for Venous Thromboembolism in the United States.

Publications

Hospital Resource Utilization and Costs Associated With Warfarin Versus Apixaban Treatment Among Patients Hospitalized for Venous Thromboembolism in the United States.

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