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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: Oper Dent. 2010 Sep–Oct;35(5):491–499. doi: 10.2341/09-287C

Table 1.

Number and percentage of practitioner-investigators, restorations, and patients participating in this study, overall and by DPBRN region.

Overall AL/MS FL/GA MN PDA SK
Dentists [N (%)] 229 (100) 63 (27.5) 37 (16.2) 31 (13.5) 51 (22.3) 47 (20.5)
Restorations [N (%)] 9,890 (100) 2,801 (28.3) 1,720 (17.4) 1,745 (17.6) 2,312 (23.4) 1,312 (13.3)
Patients [N (%)] 5,810 (100) 1,507 (25.9) 1,022 (17.6) 1,084 (18.7) 1,233 (21.2) 964 (16.6)

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.