Table 6: Use of medications among patients with osteoarthritis (n = 29 562)
Drug classPatients, no. (%)AgentPatients, no. (%)
Acetaminophen (alone or in combination)7 424(25.1)Acetaminophen alone4 725(16.0)
Acetaminophen in combination2 699(9.1)
NSAIDs16 732(56.6)Celecoxib5 022(17.0)
Diclofenac*8 752(29.6)
Ibuprofen1 210(4.1)
Meloxicam1 963(6.6)
Naproxen5 885(19.9)
Other NSAIDs†3 023(10.2)
Narcotics9 761(33.0)Codeine6 881(23.3)
Hydrocodone462(1.6)
Hydromorphone1 164(3.9)
Morphine784(2.7)
Oxycodone1 488(5.0)
Tramadol2 299(7.8)

Note: NSAID = nonsteroidal anti-inflammatory drug.
*There were 4 808 patients with prescriptions for diclofenac, about 45% of which were in the form of topical gel or cream.
†Diflunisal, etodolac, floctafenine, flurbiprofen, indometacin, ketoprofen, ketorolac, lumiracoxib, nabumetone, piroxicam, rofecoxib, sulindac, tiaprofenic acid and valdecoxib.