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. Author manuscript; available in PMC: 2020 Apr 23.
Published in final edited form as: Am J Health Econ. 2019 Apr 23;5(2):281–301.

Table 10.

Predicted Margins Minus a Constant, Medical Claims only

Number of HCC groups Weighted Mean Margin Minus a Constant* SE of Weighted Mean Margin Difference from Weighted Mean Standard Error of Difference from Weighted Mean 2-sided p-value for difference
Overall 117 −0.352 0.013 -- -- --
Diabetes 39 −0.279 0.029 −0.073 0.031 0.023
COPD 20 −0.293 0.027 −0.059 0.030 0.060
CHF 19 −0.217 0.040 0.135 0.042 0.004
Cancer 17 −0.409 0.020 −0.056 0.024 0.025
Rheumatoid Arthritis 1 −0.402 0.019 −0.049 0.023 0.036
Inflammatory Bowel Disease 1 −0.565 0.063 −0.213 0.065 0.001
Severe Mental Illness** 5 −0.156 0.070 0.196 0.071 0.048
No HCC 1 −0.424 0.005 −0.072 0.014 <0.001
Margin Difference Between Group of PCP and Group of Specialist Diseases
Diabetes, COPD, CHF 67 −0.280 0.020
Cancer, Rheumatoid Arthritis, Inflammatory Bowel Disease 19 −0.412 0.018 0.133 0.027 <0.0001
*

Margins are weighted by the proportion of individuals in the HCC’s or combination of HCC’s shown in Table B1.

**

Major Depressive, Bipolar, and Paranoid Disorders.