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Keywords:

  • Allergic rhinitis;
  • healthcare expenditures;
  • costs;
  • burden of illness;
  • office visits;
  • Level of evidence: 2b.

Abstract

Objective:

Determine incremental increases in healthcare expenditures and utilization associated with allergic rhinitis (AR).

Methods:

Patients reporting a diagnosis of AR were extracted from the 2007 Medical Expenditure Panel Survey medical conditions file and linked to the consolidated expenditures file. AR patients were then compared to non-AR patients determining differences in healthcare utilization: office visits, emergency facility visits, and prescriptions filled, as well as differences in healthcare expenditures: total healthcare costs, office-based costs, prescription medication costs, and self-expenditures using demographically and comorbidity adjusted multivariate models.

Results:

An estimated 17.8 ± 0.72 million adult patients reported AR in 2007 (7.9 ± 0.3% of the U.S. population). The additional incremental healthcare utilizations associated with AR relative to non-AR patients for office visits, emergency facility visits, and number of prescriptions filled were 3.25 ± 0.40, 0.01 ± 0.02, and 8.95 ± 0.80, respectively (P < .001, .787, and <.001, respectively). Similarly, additional healthcare expenditures associated with AR for total healthcare expenses, office-based visit expenditures, prescription expenditures, and self-expenditures were $1,492 ± 346, $461 ± 122, $876 ± 126, and $168 ± 25, respectively (all P < 0.001).

Conclusions:

AR is associated with substantial incremental increases in healthcare utilization and expenditures due to increases in office-based visits and prescription expenditures. As a commonly prevalent and costly disease, AR would be a prime target for guideline development and standardization of care. Laryngoscope, 2011