Hidden Costs of Hospitalization After Firearm Injury: National Analysis of Different Hospital Readmission

Objective: To compare the risk factors and costs associated with readmission after firearm injury nationally, including different hospitals. Background: No national studies capture readmission to different hospitals after firearm injury. Methods: The 2013 to 2014 Nationwide Readmissions Database was queried for patients admitted after firearm injury. Logistic regression identified risk factors for 30-day same and different hospital readmission. Cost was calculated. Survey weights were used for national estimates. Results: There were 45,462 patients admitted for firearm injury during the study period. The readmission rate was 7.6%, and among those, 16.8% were readmitted to a different hospital. Admission cost was $1.45 billion and 1-year readmission cost was $131 million. Sixty-four per cent of those injured by firearms were publicly insured or uninsured. Readmission predictors included: length of stay >7 days [odds ratio (OR) 1.43, P 15 (OR 1.41, P

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