Table 4 Regression analysis of hospitalization rates for knee arthroplasty
All ages | Age group 0–64 | Age group 65 and over | ||||
|---|---|---|---|---|---|---|
Coefficient | SE | Coefficient | SE | Coefficient | SE | |
Baseline (intercept) | 183.422 | 11.432 | 66.750 | 6.453 | 1149.261 | 76.014 |
District-level | ||||||
Deprivation index | 6.537*** | .624 | 6.883*** | .352 | 33.652*** | 4.151 |
Average costs of musculoskeletal diseases | −.021 | .082 | −.037 | .046 | .119 | .547 |
No. of primary care physicians per 100,000 | −.322 | .190 | −.134 | .107 | −2.364 | 1.265 |
Hospital service area-level | ||||||
No. of orthopedic surgeons per 100,000 | −5.187*** | 1.319 | −1.915* | .745 | −32.196*** | 8.772 |
No. of small to medium sized hospital beds per 1000 | 2.750* | 1.390 | .038 | .784 | 22.457* | 9.240 |
No. of large sized hospital beds per 1000 | 4.229 | 2.570 | 2.549 | 1.451 | 27.211 | 17.092 |
Adjusted R2 | .546 | .737 | .464 | |||
F-statistics | 48.489*** | 113.216*** | 34.926*** | |||