Table 5.
Total Cost Regression in Knee and Hip Periprosthetic Fracture.
| Knee | Hip | |||||
|---|---|---|---|---|---|---|
| Coef. (95% CI) |
Percent changea | P value | Coef. (95% CI) | Percent changea | P value | |
| Transfer | 0.151 (0.012 to 0.290) | 16.3% | .033b | 0.116 (−0.006 to 0.237) | 12.3% | .061 |
| Hospital: Urban T1 | −0.002 (−0.106 to 0.103) | −0.2% | .974 | 0.087 (−0.002 to 0.176) | 9.1% | .054 |
| Hospital: Ruralc | 0.048 (−0.184 to 0.280) | 5.0% | .681 | 0.068 (−0.117 to 0.254) | 7.1% | .470 |
| Age: 18-64d | 0.022 (−0.141 to 0.184) | 2.2% | .792 | 0.039 (−0.086 to 0.164) | 3.9% | .544 |
| Age: 75+d | 0.046 (−0.061 to 0.153) | 4.7% | .399 | −0.005 (−0.098 to 0.088) | −0.5% | .912 |
| Comorbidity: medium (3-4)e | 0.035 (−0.084 to 0.155) | 3.6% | .562 | 0.071 (−0.019 to 0.162) | 7.4% | .121 |
| Comorbidity: high (5+)e | 0.124 (0.000 to 0.248) | 13.2% | .049b | 0.168 (0.054 to 0.282) | 18.3% | .004f |
| Blood product | 0.154 (0.050 to 0.259) | 16.7% | .004f | 0.107 (0.021 to 0.193) | 11.3% | .015b |
| Procedure: revision arthroplastyg | 0.523 (0.413 to 0.632) | 68.6% | <.0001h | 0.329 (0.240 to 0.418) | 39.0% | <.0001h |
Abbreviations: Blood Product, blood Products were ordered; Transfer, transferred in from Acute Care Hospital.
a (eCoeff−1) × 100.
b P ≤ .05;
c Referent Groups: Hospital: Urban nonteaching.
d Age: 65-74.
e Comorbidity: Low (0-2).
f P ≤ .01.
g Procedure: Internal Fixation.
h P ≤ .001.