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. Author manuscript; available in PMC: 2009 Apr 14.
Published in final edited form as: Pain. 2008 Jun 10;138(2):440–449. doi: 10.1016/j.pain.2008.04.027

Table 3.

Arkansas Medicaid: opioid use among subjects with non-cancer pain diagnoses

Variables Category 2000 (N=23,155) 2001 (N=25,261) 2002 (N=27,896) 2003 (N=30,079) 2004 (N=33,028) 2005 (N=35,697) % Change 00~05
Days Supply of Opioids-Groups 1-30 days 29.5% 29.3% 30.2% 29.3% 29.9% 29.5% 0.1%
31-90 days 9.1% 9.5% 9.7% 10.6% 10.5% 11.0% 21.6%
91-180 days 5.4% 5.9% 6.3% 6.4% 6.8% 7.0% 29.5%
181+days 9.5% 10.9% 11.5% 12.6% 13.9% 16.0% 68.5%
Among Those Receiving Opioids
Days Supply of Opioids Per Year Mean (SD) 86.6 (129.1) 94.4 (135.4) 96.3 (137.6) 103.3 (145.3) 109.2 (151.6) 116.1 (153.5) 34.0%
[Median] [25] [29] [30] [31] [33] [38]
Cumulative Yearly Opioid Dose [mg morphine equivalents] Mean (SD) 5,059.8 (13,534.4) 5,520.2 (14,656.0) 5,634.3 (15,961.9) 6,129.0 (17,829.9) 6,705.9 (19,569.4) 6,952.4 (18,377.1) 37.40%
[Median] [1117] [1185] [1200] [1301] [1373] [1450]
Opioid Dose per Day Supplied [in mg morph/day supplied] Mean(SD) 54.3 (40.3) 53.0 (39.9) 51.7 (40.9) 51.1 (42.4) 50.9 (43.4) 50.2 (41.7) -7.49%
[Median] [41] [39] [38] [38] [38] [38]
Number of Prescriptions Received Mean(SD) 5.3 (5.4) 5.5 (5.5) 5.5 (5.5) 5.8 (5.7) 6.0 (5.8) 6.2 (5.8) 17.13%
[Median] [3] [3] [3] [3] [4] [4]
Opioid Dose per Prescription [in mg morph/prescription] Mean (SD) 633.6 (824.2) 655.5 (874.0) 653.4 (921.5) 667.1 (989.0) 689.5 (1063.3) 713.9 (1027.5) 12.66%
[Median] [398] [395] [380] [378] [383] [406]

All Enrollees N=115,914 N=117,935 N=119,338 N=123,080 N=128,628 N=127,866
Cumulative Opioid Dose Per Year Per Enrollee [mg morphine equivalents] 1003.3 1137.4 1234.3 1346.4 1529.3 1662.0 65.66%