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. 2018 Mar 15;13(3):e0192307. doi: 10.1371/journal.pone.0192307

Table 2. Etiology of pain in the two study groups.

 Etiology Neuropathic pain Nociceptive pain
Low back pain/Referred Pain 74 (48.4) 0 (0.0)
Diabetic polyneuropathy 16 (10.5) 0 (0.0)
Lumbosciatic pain 12 (7.8) 0 (0.0)
Peripheral neuropathy 8 (5.2) 0 (0.0)
Injury 7 (4.6) 0 (0.0)
Diabetes Painful Neuropathic Pain 3 (2.0) 0 (0.0)
Post Herpetic Neuralgia 2 (1.3) 0 (0.0)
Chronic polyradiculopathies 2 (1.3) 0 (0.0)
Trigeminal Neuralgia 1 (0.7) 0 (0.0)
Osteoarthritis 0 (0.0) 111 (50.0)
Inflammatory chronic arthritis 0 (0.0) 41 (18.5)
Mechanical low back pain 0 (0.0) 21 (9.5)
Myofascial pain 0 (0.0) 5 (2.3)
Central Neuropathic pain 0 (0.0) 1 (0.5)
Others 28 (18.3) 43 (19.4)