. Author manuscript; available in PMC: 2011 Jul 1.

Published in final edited form as: Health Aff (Millwood). 2010 Jul;29(7):1383–1390. doi: 10.1377/hlthaff.2009.0424

Exhibit 2.

Trends in generic simvastatin, Zocor and total statin use by calendar quarter

Year	Calendar Quarter	Total number of generic simvastatin prescriptions filled in Medicaid programs	Sum of generic simvastatin and branded Zocor prescriptions filled in Medicaid programs	Total number of statins filled	Average state- level proportion (standard deviation) of filled simvastatin prescriptions that were generic
2006	2	9	394616	1536213
2006	3	106755	360118	1397266	0.47 (0.35)
2006	4	135196	370805	1431234	0.50 (0.45)
2007	1	259843	386496	1450384	0.77 (0.29)
2007	2	360976	404923	1405863	0.92 (0.21)
2007	3	411012	447647	1465682	0.94 (0.20)

Source: Aggregate Medicaid prescription medication use data