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Table 2 Demographic profile comparison of intervention and control practices

From: Cost savings associated with improving appropriate and reducing inappropriate preventive care: cost-consequences analysis

Measure

Intervention Group (N = 22)

Control Group (N = 23)

Significance (P value)

Percentage of Group Practices

77.3%

60.9%

.34

Percentage Teaching Affiliated

54.5%

52.2%

1.00

Percentage in communities greater than 50,000

86.4%

65.2%

.17

Mean number of physicians in group practices

2.91

2.70

.71

Mean number of registered nurses in practices

1.16

1.64

.48

Mean year of graduation from medical school

1975

1975

.92

Mean proportion of female physicians

12.6

20.4

.37

Mean roster size

4317

3874

.55

Mean number of patients seen per day

34.4

33.0

.59

Percentage of female patients served

53.4

53.8

.89

Mean age of patients served

46.4

46.8

.87