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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