Table 4.
Characteristrics of Family Medicine, General Medicine, and Internal Medicine Panels Identified as Low Outliers, by Risk-Adjustment System and Practice Efficiency Measure*
| Mean (Standard Deviation) | |||||||
|---|---|---|---|---|---|---|---|
| Risk-Adjustment System | Practice Efficiency Measure | Number PCP Panels Identified | Number Patients per Panel | Standardized Cost per Patient | Expected Cost per Patient | SCD Score | O/E Ratio |
| ACGs | Both | 31 | 136.9 | $2,154 | $3,044 | −3.42 | 0.71 |
| (74.9) | ($396) | ($599) | (1.18) | (0.07) | |||
| SCD Score Only | 35 | 238.1 | $2,571 | $3,090 | −2.71 | 0.83 | |
| (102.8) | ($489) | ($546) | (0.50) | (0.02) | |||
| O/E Ratio Only | 35 | 52.3 | $2,057 | $2,746 | −1.70 | 0.75 | |
| (20.6) | ($461) | ($539) | (0.29) | (0.05) | |||
| BOI Score | Both | 42 | 142.9 | $2,149 | $2,989 | −3.30 | 0.72 |
| (81.7) | ($507) | $595 | (0.84) | (0.06) | |||
| SCD Score Only | 24 | 252.0 | $2,805 | $3,374 | −3.00 | 0.83 | |
| (114.3) | ($602) | $681 | (0.44) | (0.02) | |||
| O/E Ratio Only | 24 | 52.2 | $1,893 | $2,581 | −1.69 | 0.73 | |
| (18.1) | ($445) | $556 | (0.40) | (0.05) | |||
| CCI | Both | 45 | 136.5 | $2,305 | $3,320 | −4.03 | 0.70 |
| (84.0) | ($496) | ($669) | (1.26) | (0.08) | |||
| SCD Score Only | 21 | 228.9 | $2,647 | $3,205 | −2.87 | 0.83 | |
| (130.9) | ($428) | ($507) | (0.48) | (0.03) | |||
| O/E Ratio Only | 21 | 54.0 | $1,973 | $2,681 | −1.84 | 0.73 | |
| (28.3) | ($514) | ($632) | (0.44) | (0.05) | |||
| DCGs | Both | 46 | 139.1 | $2,125 | $2,948 | −3.23 | 0.72 |
| (94.8) | ($403) | ($531) | (1.02) | (0.06) | |||
| SCD Score Only | 20 | 259.5 | $2,602 | $3,132 | −2.96 | 0.83 | |
| (104.9) | ($397) | ($445) | (0.63) | (0.03) | |||
| O/E Ratio Only | 20 | 46.9 | $1,998 | $2,690 | −1.64 | 0.74 | |
| (19.0) | ($482) | ($570) | (0.31) | (0.05) | |||
| ERGs | Both | 46 | 137.3 | $2,124 | $2,928 | −2.96 | 0.73 |
| (93.7) | ($434) | ($642) | (1.05) | (0.06) | |||
| SCD Score Only | 20 | 266.9 | $2,495 | $2,965 | −2.53 | 0.84 | |
| (119.2) | ($440) | ($500) | (0.44) | (0.02) | |||
| O/E Ratio Only | 20 | 55.0 | $1,896 | $2,494 | −1.47 | 0.75 | |
| (27.7) | ($481) | ($531) | (0.23) | (0.05) | |||
| GDGs | Both | 43 | 127.3 | $2,437 | $3,365 | −3.28 | 0.73 |
| (75.4) | ($614) | ($805) | (1.02) | (0.06) | |||
| SCD Score Only | 23 | 209.0 | $3,137 | $3,698 | −2.65 | 0.85 | |
| (99.1) | ($792) | ($853) | (0.44) | (0.03) | |||
| O/E Ratio Only | 23 | 53.3 | $1,861 | $2,542 | −1.68 | 0.73 | |
| (22.0) | ($391) | ($471) | (0.42) | (0.05) | |||
*
Low-outlier thresholds defined at 10%. Sample consisted of 661 PCP panels, with average cost per panel of $3,038 (standard deviation=$801) and average number of patients per panel of 121 (standard deviation=88)