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Table 4 Unadjusted and risk-adjusted association between insurance category and sepsis-associated hospitalization by age strata

From: Insurance type and sepsis-associated hospitalizations and sepsis-associated mortality among US adults: A retrospective cohort study

  Unadjusted P- value Adjusted P- value
18 to 64 years
Medicaid 1.40 (1.34 to 1.48) <0.0001 1.50 (1.44 to 1.56) <0.0001
Medicare 3.42 (3.25 to 3.61) <0.0001 1.96 (1.86 to 2.03) <0.0001
Medicaid + Medicare 3.50 (3.26 to 3.75) <0.0001 2.22 (2.10 to 2.35) <0.0001
Uninsured 1.13 (1.06 to 1.20) 0.0003 1.18 (1.12 to 1.24) <0.0001
Private insurance Reference Reference
65+ years
Medicaid 1.58 (1.44 to 1.73) <0.0001 1.43 (1.32 to 1.55) <0.0001
Medicare alone 1.16 (1.10 to 1.22) <0.0001 1.13 (1.08 to 1.19) <0.0001
Medicaid + Medicare 1.75 (1.64 to 1.86) <0.0001 1.62 (1.54 to 1.71) <0.0001
Uninsured 1.02 (0.88 to 1.18) 0.82 1.04 (0.90 to 1.20) 0.63
Private insurance plus Medicare Reference Reference
  1. The study cohort was split into age strata based on age qualifications for Medicare. The risk-adjusting model included demographic information, sepsis-associated co-morbidities, and categorized Charlson-Deyo score (see Methods for details).