This narrative review evaluates whether rheumatoid arthritis (RA) research conducted in U.S. Veterans generalizes to non-Veteran populations, comparing findings across domains including cardiovascular disease, frailty, glucocorticoid complications, malignancy, mental health, mortality, osteoporosis, RA-associated interstitial lung disease, and sex differences in treatment response.
The review supports generalizability of most Veteran-centric RA research to non-Veteran populations, noting that while some exposures are Veteran-specific (e.g., burn pits, toxic exposures), the majority of RA research objectives and findings are equally relevant across both groups.
As a narrative review, it does not provide pooled quantitative estimates or systematic search methodology; the Veteran population skews male and older, which may limit direct applicability to more sex- and age-diverse civilian cohorts.
Clinicians can apply insights from Veteran-based RA studies—covering comorbidities, medication adherence, and treatment response—to their broader patient panels with reasonable confidence. Veteran-specific toxic exposures (e.g., burn pits) remain an important exception requiring separate consideration.
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