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. Author manuscript; available in PMC: 2011 Apr 1.
Published in final edited form as: J Am Dent Assoc. 2010 Apr;141(4):441–448. doi: 10.14219/jada.archive.2010.0197

Table 1. Number and percentage of DPBRN practitioner-investigators and patients participating in this study and number and percentage of restorations placed by dentists from each DPBRN region.

AL/MS FL/GA MN PDA SK Total
Dentists [N (%)] 63 (27.5) 37 (16.2) 31 (13.5) 51 (22.3) 47 (20.5) 229 (100)
Patients [N (%)] 1506 (25.9) 1022 (17.6) 1084 (18.7) 1233 (21.2) 964 (16.6) 5810 (100)
Restorations [N (%)] 2801 (28.3) 1720 (17.4) 1745 (17.6) 2312 (23.4) 1312 (13.3) 9890 (100)

AL/MS: Alabama/Mississippi; FL/GA: Florida/Georgia; MN: HealthPartners and private practitioners in Minnesota; PDA: Permanente Dental Associates and Kaiser Permanente's Center for Health Research; and SK: Denmark, Norway, and Sweden. Percentages are within rows for each variable.