Regional variation in outcomes and healthcare resources utilization in, emergency department visits for syncope.

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Management of patients with syncope lacks standardization. We sought to assess regional variation in hospitalization rates and resource utilization of patients with syncope. We identified adults with syncope using the Nationwide Emergency Department Sample from years 2006 to 2014. Demographics and comorbidity characteristics were compared across geographic regions in the US. Multiple regression was conducted to compare outcomes. 9,132,176 adults presented with syncope. Syncope in the Northeast (n=1,831,889) accounted for 20.1% of visits; 22.6% in the Midwest (n=2,060,940), 38.5% in the South (n=3,527,814) and 18.7% in the West (n=1,711,533). Mean age was 56years with 57.7% being female. The Northeast had the highest risk-adjusted hospitalization rate (24.5%) followed by the South (18.6%, ORadj 0.58; 95% CI 0.52-0.65, p<0.001), the Midwest (17.2%, ORadj 0.51; 95% CI 0.46-0.58, p<0.001) and West (15.8%, ORadj 0.45; 95% CI 0.39-0.51, p<0.001). Risk-adjusted rates of syncope hospitalizations significantly declined from 25.8% (95% CI 24.8%-26.7%) in 2006 to 11.7% (95% CI 11.0%-12.5%) in 2014 (Ptrend<0.001). The Northeast had the lowest risk-adjusted ED (Emergency Department) service charges per visit ($3320) followed by the Midwest ($4675, IRRadj 1.41; 95% CI 1.30-1.52, p<0.001), the West ($4814, IRRadj 1.45; 95% CI 1.31-1.60, p<0.001) and South ($4969, IRRadj 1.50; 95% CI 1.38-1.62, p<0.001). Service charges increased from $3047/visit (95% CI $2912-$3182) in 2006 to $6267/visit (95% CI $5947-$6586) in 2014 (Ptrend<0.001). Significant regional variability in hospitalization rates and ED service charges exist among patients with syncope. Standardizing practices may be needed to reduce variability.