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. 2020 Oct 15;9(2):727–740. doi: 10.1007/s40122-020-00202-3

Table 3.

Causes of pain in 379 patients with chronic paina

Causes N (%) N
Osteoarthritis 125 (33.6)
Other musculoskeletal diseases 67 (18.0)
 Spondylitis and column diseases 27
 Polymyalgia 22
 Rheumatoid arthritis 18
Cancer 53 (14.3)
Bone diseases 34 (9.1)
 Fractures 22
 Osteopathy 12
Diseases with neuropathic components 11 (3.0)
Other diseases 82 (22.0)
 Diseases of the digestive system 19
 Vascular diseases 16
 Post-surgical traumas 10
 Ulcer 7
 Headache 10
 Others 20

ICD9-CM codes used in identifying causes of pain: osteoarthritis: 696.0, 715(–719); spondylitis and column diseases: 720–724; rheumatoid arthritis 714; polymyalgia: 710, 725–729; cancer: 140–239, V10; fractures: 733.1–9, 800–821, 905; osteoporosis and other osteopathies: 730–739, excl. 733.1–9; diseases with neuropathic components: 053, 350, 356–357; diseases of the digestive system: 520–579; vascular diseases: 395, 401, 413, 428, 443–444, 446–447, 453–454, 747; ulcer: 707; headache: 307, 784

aIn seven patients the cause of pain was unknown