Journal of medical economics · 2023
Healthcare costs among patients with newly diagnosed helicobacter pylori infection in the United States: a linked claims-EHR study.
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Shah Shailja, Cappell Katherine, Sedgley Robert, Pelletier Corey, Jacob Rinu, Bonafede Machaon, Yadlapati Rena
Аннотация
AIMS: The study objectives were to 1) characterize the cost drivers of patients with Helicobacter pylori (HP) and 2) estimate HP-related cost savings following lab-confirmed HP eradication with US guideline-recommended treatment compared to failed eradication.
METHODS: We identified adults newly diagnosed with HP between 1/1/2016-12/31/2019 in the Veradigm Electronic Health Record Database linked to claims data (earliest HP diagnosis = index date). For the overall costs analysis, we required patients to have data available for ≥12 months before and after the index date. Then, we used multivariable modeling to assess the marginal effects of comorbidities on all cause-healthcare costs in the 12 months following HP diagnosis. For the eradication savings analysis, we identified patients with ≥1 HP eradication regimen, a subsequent HP lab test result, and ≥1 year of data after the test result. Then we used multivariable modeling to estimate HP-related cost while adjusting for eradication status, demographics, post-testing HP-related clinical variables, and the interactions between eradication status and each HP-related clinical variable.
RESULTS: The overall cost analysis included 60,593 patients with HP (mean age 54.2 years, 65.5% female). Mean (SD) 12-month unadjusted all-cause costs were $23,693 ($78,089). Rare comorbidities demonstrated the highest marginal effect. The marginal effects of gastric cancer and PUD were $15,705 and $7,323, respectively. In the eradication savings analysis, 1,835 (80.0%) of the 2295 patients had lab test-confirmed HP eradication. Compared to failed eradication, there were significant one-year cost savings among patients with successful HP eradication and select conditions: $1,770 for PUD, $518 for atrophic gastritis, $494 for functional dyspepsia, and $352 for gastritis.
CONCLUSIONS: The healthcare costs of patients with HP are partially confounded by their burden of high-cost comorbidities. In the subset of patients with available results, confirmed vs. failed eradication of HP was associated with short-term cost offsets among those with specific to HP-related sequelae.
METHODS: We identified adults newly diagnosed with HP between 1/1/2016-12/31/2019 in the Veradigm Electronic Health Record Database linked to claims data (earliest HP diagnosis = index date). For the overall costs analysis, we required patients to have data available for ≥12 months before and after the index date. Then, we used multivariable modeling to assess the marginal effects of comorbidities on all cause-healthcare costs in the 12 months following HP diagnosis. For the eradication savings analysis, we identified patients with ≥1 HP eradication regimen, a subsequent HP lab test result, and ≥1 year of data after the test result. Then we used multivariable modeling to estimate HP-related cost while adjusting for eradication status, demographics, post-testing HP-related clinical variables, and the interactions between eradication status and each HP-related clinical variable.
RESULTS: The overall cost analysis included 60,593 patients with HP (mean age 54.2 years, 65.5% female). Mean (SD) 12-month unadjusted all-cause costs were $23,693 ($78,089). Rare comorbidities demonstrated the highest marginal effect. The marginal effects of gastric cancer and PUD were $15,705 and $7,323, respectively. In the eradication savings analysis, 1,835 (80.0%) of the 2295 patients had lab test-confirmed HP eradication. Compared to failed eradication, there were significant one-year cost savings among patients with successful HP eradication and select conditions: $1,770 for PUD, $518 for atrophic gastritis, $494 for functional dyspepsia, and $352 for gastritis.
CONCLUSIONS: The healthcare costs of patients with HP are partially confounded by their burden of high-cost comorbidities. In the subset of patients with available results, confirmed vs. failed eradication of HP was associated with short-term cost offsets among those with specific to HP-related sequelae.