TABLE 1.

Patient Selection for Analyses

Criteria	N
First observed pharmacy claim for basal insulin from January 1, 2010, to December 31, 2011	393,162
At least two type 2 diabetes diagnoses from 12 months pre-index to 24 months post-index	341,656
No diagnoses of gestational, nonclinical, secondary, pregnancy, neonatal diabetes, or diabetes mellitus complicating pregnancy, childbirth, or the puerperium at any time point	310,188
No prescription claims for any insulins in the 12-month preperiod	172,126
Continuous enrollment in the medical and pharmacy benefits for 12 months pre- and 24 months post-index	35,838
Basal long-acting insulin prescription claims for at least 2 years (more than 1 basal insulin prescription claim, including the index prescription, each year)	26,888
Subgroup: basal insulin continuous user	12,224
Subgroup: basal insulin intermittent user	11,421