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. Author manuscript; available in PMC: 2011 Dec 1.
Published in final edited form as: Pain. 2010 Dec;151(3):625–632. doi: 10.1016/j.pain.2010.08.002

Table 3.

Pain Diagnoses in the Past Five Years.

High-Dose
Opioid Group
(n=478)
Traditional-
Dose Opioid
Group
(n=500)
No opioid
Group
(n=500)
Test (df) p-value
Fibromyalgia 79 (16.5%) 55 (11.0%) 31 (6.2%) χ2 (2) = 26.3 < 0.001
Inflammatory 35 (7.3%) 22 (4.4%) 14 (2.8%) χ2 (2) = 11.2 0.004
Bowel Disease
Low Back Pain 399 (83.5%) 371 (74.2%) 234 (46.8%) χ2 (2) = 164.5 < 0.001
Migraine Headache 102 (21.3%) 112 (22.4%) 72 (14.4%) χ2 (2) = 12.0 0.002
Neck or Joint Pain 392 (82.0%) 401 (80.2%) 315 (63.0%) χ2 (2) = 58.1 < 0.001
Neuropathy 86 (18.0%) 54 (10.8%) 56 (11.2%) χ2 (2) = 13.8 0.001
Rheumatism/
Arthritis
343 (71.8%) 321 (64.2%) 236 (47.2%) χ2 (2) = 65.4 < 0.001