Table 1.

Average Levels of Agreement (%) of PCP Practice Efficiency Rankings: by Risk-Adjustment System, Physician Type, and Practice Efficiency Measure^*

		Practice Efficiency Measure
		SCD Score			O/E Ratio
Physician Specialty	Risk-Adjustment System	Agreement High Outliers	Agreement Low Outliers	Weighted Kappa	Agreement High Outliers	Agreement Low Outliers	Weighted Kappa
Family Medicine, General Medicine, and Internal Medicine	ACGs	54	49	0.56	44	53	0.56
	BOI Score	55	47	0.56	46	58	0.57
	CCI	54	44	0.52	44	53	0.52
	DCGs	58	53	0.59	48	57	0.59
	ERGs	57	47	0.59	45	56	0.60
	GDGs	56	42	0.51	48	52	0.52
Pediatrics	ACGs	77	49	0.70	65	57	0.73
	BOI Score	67	44	0.66	53	58	0.66
	CCI	69	47	0.67	67	51	0.68
	DCGs	71	37	0.67	61	59	0.69
	ERGs	71	46	0.63	60	59	0.67
	GDGs	69	34	0.61	51	46	0.62

^*Average pair-wise levels of agreement between each risk-adjusted ranking and other risk-adjusted rankings. High- and low-outlier thresholds defined at 10%.