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. 2016 Feb 3;51(5):2002–2019. doi: 10.1111/1475-6773.12454

Table 5.

Prospective R‐Squared Fit Statisticsa

CMS V21 DxCG Medicare DxCG Medicaid
Prospective without Rx Concurrent without Rx Prospective with Rx
2011 costs
Basic model
General 0.2117 0.2228 0.2097 0.2487
Older 0.1743 0.1771 0.1732 0.2538
MH‐SUD 0.1819 0.1970 0.1873 0.2408
High cost 0.0401 0.0676 0.0403 0.0949
Multimorbid 0.1527 0.1690 0.1520 0.1903
Low risk 0.0600 0.0684 0.0673 0.0470
Recalibrated with additional variables
General 0.3485 0.3558 0.3485 0.3391
Older 0.3428 0.3480 0.3440 0.3405
MH‐SUD 0.3190 0.3252 0.3182 0.3148
High cost 0.1423 0.1631 0.1434 0.1399
Multimorbid 0.2640 0.2757 0.2631 0.2544
Low risk 0.1321 0.1326 0.1319 0.1272

R 2 is based on square root OLS regression models.

a

All analyses are based on risk scores computed with 2010 clinical data in relation to 2011 costs.