Table 1.

Patient Populations by Level of Evaluative Care Intensity and Level of Compliance with Best Practice Guidelines

	Quintile of Evaluative Care Intensity			Quintile of Compliance with Best Practice Guidelines
	Lowest	Highest	p-value	Lowest	Highest	p-value
Patient
Age			P = 0.02			P = 0.02
67–70	21.3	19.7		18.2	21.9
71–74	18.5	20.6		19.4	20.7
75–78	21.0	20.6		18.6	21.6
79+	19.5	19.4		21.6	19.2
Race			P < 0.01			P = 0.70
White	20.5	19.5		19.7	20.7
Black	21.0	17.8		16.9	19.4
Other	11.2	30.4		18.4	22.7
Comorbidity			P< 0.01			P<0.01
0	21.3	19.0		19.3	21.6
1	17.7	23.2		18.6	20.1
2+	15.3	21.5		23.7	16.1
Socioeconomic Status			P <0.01			P < 0.01
Lowest	20.3	21.2		16.6	23.9
Middle	25.2	18.8		22.1	18.5
Upper Middle	17.0	20.0		18.9	21.0
Highest	5.2	22.0		22.5	18.3
Surgeon
Region			P < 0.01			p < 0.01
Northeast	10.5	19.2		27.4	10.9
Midwest	29.0	12.5		27.1	17.5
South	19.5	21.8		12.7	26.8
West	17.2	25.5		19.2	17.2
Employment			P <0.01			P < 0.01
Solo	18.2	23.6		17.3	19.4
Group	21.6	16.2		19.6	21.3
Hospital	13.5	23.1		20.5	9.8
Years in Practice			P < 0.01			p < 0.01
0–15	13.3	28.3		19.8	18.8
15–30	20.7	18.6		20.6	20.7
>30	22.9	17.1		17.2	21.3