Table 3 Vermont Blueprint for Health Risk-Adjustment Model Comparisons & Resulting Practice Level Coefficient of Variation, CY2014
From: Risk-adjustment methods for all-payer comparative performance reporting in Vermont
Model | Adult Model | Pediatric Model | ||||
|---|---|---|---|---|---|---|
r2 | D = Log-Likelihood Ratio (p-value) | Model Adjusted Practice Level Coefficient of Variation | r2 | D = Log-Likelihood Ratio (p-value) | Model Adjusted Practice Level Coefficient of Variation | |
Total expenditures | ||||||
No adjustment | N/A | 18.5 | N/A | 23.4 | ||
Age and gender | 0.028 | 8102 (p < .001) | 14.8 | 0.008 | 647 (p < .001) | 24.3 |
Age, gender, and CRG | 0.265 | 79231 (p < .001) | 13.0 | 0.253 | 22138 (p < .001) | 19.3 |
Full model | 0.293 | 10884 (p < .001) | 11.7 | 0.352 | 11092 (p < .001) | 11.4 |
Total expenditures excluding SMS | ||||||
No adjustment | N/A | 19.1 | N/A | 15.0 | ||
Age and gender | 0.038 | 11116 (p < .001) | 14.2 | 0.007 | 524 (p < .001) | 15.3 |
Age, gender, and CRG | 0.270 | 78242 (p < .001) | 14.3 | 0.288 | 25982 (p < .001) | 9.9 |
Full model | 0.285 | 5779 (p < .001) | 12.1 | 0.302 | 1622 (p < .001) | 9.3 |
Total resource use excluding SMS | ||||||
No adjustment | N/A | 22.4 | N/A | 17.0 | ||
Age and gender | 0.045 | 12904 (p < .001) | 17.3 | 0.007 | 561 (p < .001) | 17.4 |
Age, gender, and CRG | 0.266 | 74684 (p < .001) | 13.6 | 0.289 | 26054 (p < .001) | 11.7 |
Full model | 0.289 | 8805 (p < .001) | 11.5 | 0.315 | 3003 (p < .001) | 9.0 |
HEDIS composite (not adjusted) | 5.4 | 7.8 | ||||