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Table 4 Source of recommendation of dual-medication or nutritional supplement use among osteoarthritis knee and hip patients

From: Medication and supplement use for managing joint symptoms among patients with knee and hip osteoarthritis: a cross-sectional study

Participant # Drug 1 Drug 2 Source of Recommendation
    Drug 1 Drug 2
1 Indomethacin Acetaminophen PCP Self-guided
2 Diclofenac Tramadol Orthopedic Orthopedic
3 Acetaminophen Calcium Orthopedic Self-guided
4 Ibuprofen Calcium Self-guided Self-guided
4 Naproxen Calcium PCP Self-guided
5 Naproxen Glucosamine PCP PCP
6 Naproxen Acetaminophen + Codeine PCP PCP
7 Ibuprofen Acetaminophen + Oxycodone Self-guided PCP
8 Tramadol Acetaminophen + Codeine Orthopedic PCP
9 Naproxen Acetaminophen PCP PCP
10 Oxycodone Hydromorphone Psychiatrist Psychiatrist
11 Diclofenac Tramadol Orthopedic Orthopedic
12 Meloxicam Tramadol Orthopedic Orthopedic
12 Ibuprofen Tramadol Self-guided Orthopedic
13 Glucosamine Chondroitin Orthopedic Orthopedic
14 Ibuprofen Acetaminophen + Oxycodone PCP ER
15 Tramadol Acetaminophen + Oxycodone PCP PMC
  1. Participants 4 and 12 had 2 distinct patterns of use.
  2. PCP = primary care physician, Orthopedic = orthopedic surgeon, ER = emergency room physician, and PMC = pain management center.