Multivariable-adjusted* association of insurance and income with infection, transfusion, fracture, and revision after primary TSA in the main analysis.
| Variables | Infection | Transfusion | Revision | Fracture |
|---|---|---|---|---|
| Insurance payer, OR (95% CI) | ||||
| Medicare | 2.63 (1.24, 5.57) | 1.39 (1.24, 1.56) | 1.15 (0.73, 1.80) | 06 0 6 1 67 |
| Medicaid | 2 83 0 85 9 44 | 1.35 (1.05, 1.75) | 0.65 (0.20, 2.17) | 1.74 (1.07, 2.84) |
| Other | 3.67 (1.56, 8.60) | 1.28 (1.03, 1.59) | 1.13 (0.55, 2.32) | 0.81 (0.62, 1.06) |
| Private | Ref | Ref | Ref | Ref |
| Self | < 0.01 (< 0.01, < 0.01)† | 1.57 (0.93, 2.67) | < 0.01 (< 0.01, < 0.01)† | 4.67 (2.31, 9.46) |
| Income category percentiles, OR (95% CI) | ||||
| 0–25th | 0.77 (0.37, 1.60) | 0.73 (0.66, 0.81) | 0.49 (0.30, 0.80) | 0.97 (0.76, 1.25) |
| 25–50th | 0.68 (0.34, 1.37) | 0.78 (0.72, 0.86) | 0.67 (0.46, 0.99) | 1.03 (0.82, 1.28) |
| 50–75th | 1.12 (0.61, 2.05) | 0.72 (0.66, 0.79) | 0.84 (0.58, 1.20) | 1.02 (0.81, 1.27) |
| 75–100th | Ref | Ref | Ref | Ref |
Significant data are in bold face.
↵* Multivariable analyses were additionally adjusted for age, sex, race/ethnicity, comorbidity, and primary underlying diagnosis.
↵† Parameter estimate is too low, related mainly to a very small number of cases, making it very imprecise and to be interpreted with caution. TSA: total shoulder arthroplasty.