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Nationwide Analysis of Etiologies and Risk Factors for Early Readmissions After Hospitalization for Endophthalmitis in the United States

Garg, M.; Gupta, S.

2025-09-12 ophthalmology
10.1101/2025.09.08.25335321 medRxiv
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PurposeTo study the patterns of 90-day readmissions after hospitalization for endophthalmitis. MethodsUsing the Nationwide Readmissions Database, hospitalizations due to endophthalmitis were identified. Primary outcome was readmission within 90 days. Survival analysis was performed, and predictors of readmission were analyzed using multivariable Cox proportional hazards regression. Results1865 patients met the inclusion criteria (mean age 58.3 years, female 47%). Of these, 440 (24%) patients were readmitted within 90 days. Most common reasons for readmissions were sepsis (14%), endophthalmitis (10%), acute renal failure (3%), pneumonia (3%), and corneal ulcer (3%). Heart failure (HR: 1.8, 95% CI: 1.3-2.6), liver cirrhosis (HR: 2.3, 95% CI: 1.4-3.7), infective endocarditis (HR: 2.5, 95% CI: 1.4-4.3), and urinary tract infection (HR: 1.8, 95% CI: 1.1-2.9) were independently associated with a higher risk of readmission. ConclusionNearly one in four patients hospitalized due to endophthalmitis get readmitted within 90 days, and most readmissions are due to recurrent endophthalmitis, other ocular complications, and systemic infections.

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