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Table 2 Annual Medicaid Prescriptions and Prescription Market Shares for Antiretroviral Medications: 1991 – 2005

From: Utilization and spending trends for antiretroviral medications in the U.S. Medicaid program from 1991 to 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

  1. Source: Centers for Medicare & Medicaid Services: State drug utilization data. [27].