Original Investigation

Time to Total Hip Arthroplasty Among Patients in the US Military Health System

JAMA Network Open 10.1001/jamanetworkopen.2025.39971

October 28, 2025 at 11:00 AM EDT

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How does time to total hip arthroplasty (THA) after hip osteoarthritis diagnosis vary across patient-, care-, and structural-level factors in the US Military Health System?In this cohort study including 37 239 patients, time-to-THA varied across patient (eg, age, race and ethnicity, sex, beneficiary category), care (eg, imaging, orthopedic surgeon visits, injections, therapeutic visits), and structural (eg, health care system, year) factors.These results highlight variation in THA timing across military and civilian health care systems; future data-driven policy and programming may optimize timely care.

Corresponding Author: Krista B. Highland, PhD, Department of Anesthesiology, Uniformed Services University, 4301 Jones Bridge Rd, Bethesda, MD 20814 (krista.highland@usuhs.edu).

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