Table 2

Antidiabetic drug utilization among breast cancer cases and control patients

Antidiabetic drug useCase patientsControl patients
n3051,153
None68 (22.3)255 (22.1)
Insulin only0 (0)2 (0.1)
Sulfonylureas only64 (21.0)250 (21.7)
Metformin only62 (20.3)198 (17.3)
Insulin and sulfonylureas7 (2.3)25 (2.2)
Insulin and metformin4 (1.3)22 (1.9)
Sulfonylureas and metformin55 (18.1)263 (22.8)
Insulin, sulfonylureas, and metformin23 (7.5)64 (5.5)
Other*22 (7.2)74 (6.4)
  • Data are n (%).

  • *Any combination of the above drugs with a thiazolidinedione, acarbose, or a prandial glucose regulator.