Table 2.
Annual Medicaid Prescriptions and Prescription Market Shares for Antiretroviral Medications: 1991 – 2005
| Year | Number of Prescriptions | Prescription Market Share | ||||||||
| Annual Rx | Percent Annual Increase | NNRTI | NRTI | PI | FI | NNRTI | NRTI | PI | FI | |
| 1991 | 168,914 | 168,914 | 100.0 | |||||||
| 1992 | 278,873 | 65.1 | 278,873 | 100.0 | ||||||
| 1993 | 354,082 | 27.0 | 354,082 | 100.0 | ||||||
| 1994 | 267,411 | -24.5 | 267,411 | 100.0 | ||||||
| 1995 | 329,843 | 23.3 | 329,729 | 114 | 100.0 | |||||
| 1996 | 792,949 | 140.4 | 1,339 | 665,261 | 126,349 | 0.2 | 83.9 | 15.9 | ||
| 1997 | 1,656,122 | 108.9 | 59,742 | 1,109,954 | 486,426 | 3.6 | 67.0 | 29.4 | ||
| 1998 | 1,985,866 | 19.9 | 140,839 | 1,162,838 | 682,189 | 7.1 | 58.6 | 34.4 | ||
| 1999 | 2,167,620 | 9.2 | 277,094 | 1,246,271 | 644,255 | 12.8 | 57.5 | 29.7 | ||
| 2000 | 2,345,000 | 8.2 | 346,993 | 1,342,463 | 655,544 | 14.8 | 57.2 | 28.0 | ||
| 2001 | 2,510,715 | 7.1 | 369,722 | 1,447,701 | 693,292 | 14.7 | 57.7 | 27.6 | ||
| 2002 | 2,588,815 | 3.1 | 381,667 | 1,571,995 | 635,153 | 14.7 | 60.7 | 24.5 | ||
| 2003 | 2,793,043 | 7.9 | 425,868 | 1,713,116 | 647,376 | 6,683 | 15.2 | 61.3 | 23.2 | 0.2 |
| 2004 | 3,068,032 | 9.8 | 426,253 | 1,780,188 | 844,116 | 17,475 | 13.9 | 58.0 | 27.5 | 0.6 |
| 2005 | 2,988,138 | -2.6 | 401,272 | 1,634,299 | 932,176 | 20,391 | 13.4 | 54.7 | 31.2 | 0.7 |
Source: Centers for Medicare & Medicaid Services: State drug utilization data. [27].