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Table 5 Comparison of demographics, health conditions and health care utilization of high utilizers (top 5%) with other patients, 2014

From: Expenditure variations analysis using residuals for identifying high health care utilizers in a state Medicaid program

Characteristics High Utilizers (High Residuals) Other Patients
Number of Patients 26,771 508,652
Demographics   
Mean age (years) 34.11 35.22
Sex   
Female, % 58.49 68.47
Race   
White, non-Hispanic, % 23.22 26.44
Black, non-Hispanic, % 19.04 21.82
Hispanic, % 40.10 37.39
American Indian or Alaskan, % 0.18 0.19
Asian, Pacific Islander, % 2.08 1.57
Unknown/Other, % 15.38 12.60
Disabled, % 51.45 45.32
Health Conditions   
Charlson Comorbidity Index [26] 1.66 1.61
Mental illness [9], % 41.49 48.04
Substance use [9], % 29.15 34.00
Utilization   
Average total medical expenditures, $ 19,531.87 6588.32
Average professional expenditures, $ 4937.37 2184.88
Average institutional expenditures, $ 7215.62 2450.32
Average pharmacy expenditures, $ 7338.35 1940.62
Average number of emergency department visits 0.47 1.03
Average number of inpatient hospital visits 0.38 0.20
  1. Professional expenditures represent paid claims generated for work performed by physicians, suppliers, and other non-institutional providers for all medical services
  2. Institutional expenditures represent paid claims generated for work performed by hospitals, skilled nursing facilities, and other institutions for all medical services