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. Author manuscript; available in PMC: 2017 Nov 3.
Published in final edited form as: Obesity (Silver Spring). 2016 Sep;24(9):1955–1961. doi: 10.1002/oby.21533

TABLE 2.

Prescriber groups, compared by descriptive proportions according to prescription volumes, specialty, region, and prescriber-drug overlap

Group Phentermine
New antiobesity pharmacotherapies
SGLT2s
A B C A B C A B C
Prescribers in Xponent 19% 100% 100% 12% 100% 100% 11% 100% 100%
Active physicians in the U.S. 16% 74% 81% 10% 76% 86% 9% 70% 83%
Primary specialty
Family Medicine/General Practice 48% 30% 42% 32% 34% 34% 32% 34% 33%
Internal Medicine 27% 18% 19% 21% 22% 27% 22% 24% 25%
Endocrinology 37% 1% 2% 47% 3% 13% 64% 4% 22%
Obstetrics/Gynecology 25% 6% 7% 12% 5% 4%
Psychiatry 10% 2% 1% 4% 2% 1%
Emergency Medicine 8% 2% 1% 2% 1% <1% 2% 1% <1%
General Surgery 11% 2% 2% 4% 1% 1%
Cardiovascular Diseases 7% 1% 1% 5% 1% <1%
Internal Medicine/Pediatrics 14% 1% <1%
Geriatric Medicine 13% 1% <1%
Pediatrics 4% 1% 1%
Nephrology 4% <1% <1%
Unavailable N/A 2% <1% N/A 2% <1% N/A 10% 3%
Physicians by region
South 20% 43% 46% 13% 44% 46% 11% 42% 41%
Midwest 16% 22% 16% 10% 21% 16% 9% 22% 16%
West 14% 20% 10% 8% 17% 11% 6% 16% 13%
Northeast 10% 14% 7% 7% 17% 12% 7% 19% 12%
Pacific 12% 1% <1% 7% <1% <1% 8% 1% <1%
Unavailable N/A <1% <1% N/A <1% <1% N/A <1% <1%
Prescriber-drug overlap
Phentermine 69% 57%
New antiobesity pharmacotherapies 41% 51%
SGLT2s 33% 50%

Prescriber-drug overlap represents the percentage of prescribers of the column drug category who also prescribed the row drug category.

A: % of group who prescribed drug(s) = drug prescribers from group/active physicians in group. B: % of drug prescribers from group = drug prescribers from group/all prescribers of drug(s). C: % of drug prescriptions in the U.S. from group = drug prescriptions from group/all prescriptions of drug(s). Specialties reported represent the top eight most frequent prescribing specialties per drug category.