ArticleHand (New York, N.Y.)2026
Does Body Mass Index Influence Time to Surgery After Diagnosis of Carpal Tunnel Syndrome?
Article in Hand (New York, N.Y.), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundSymptom severity, failure of conservative treatment, and health care access may influence surgical timing of carpal tunnel release (CTR) after diagnosis of carpal tunnel syndrome (CTS). However, the relationship between body mass index (BMI) and the time to surgery (TTS) after diagnosis of CTS remains unclear. The purpose of this study was to assess whether BMI is associated with TTS after CTS diagnosis.
methodsWe conducted a retrospective cohort study using a multicenter registry to identify patients with a diagnosis of CTS. Patients were stratified into 6 BMI categories (20.0-24.9, 25.0-29.9, 30.0-34.9, 35.0-39.9, 40.0-44.9, and 45.0-49.9) The primary outcome was TTS with either open CTR or endoscopic CTR. Time to surgery was compared across groups using descriptive analysis and Kruskal-Wallis tests with post hoc Dunn test for pairwise comparisons.
resultsWe identified 272 713 patients with CTS. A total of 52 467 patients (19.2%) had surgical interventions including 40 297 (76.8%) with open CTR and 12 170 (23.2%) with endoscopic CTR. Body mass index was associated with a statistically significant difference in TTS in both open and endoscopic CTR (
conclusionBody mass index was associated with significant differences in TTS following diagnosis of CTS. On average, patients with greater BMI faced longer waits from time to diagnosis of CTS to CTR with delays of approximately 3 to 5 weeks compared with patients with normal BMI.
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