TABLE 1.

Diagnostic categories of the 84 surveyed subjects

Diagnostic category	Patients, n
Neuropathic pain	71
Back and leg nerve roots	24
Neuropathic facial pain (excludes trigeminal neuralgia)	18
Postherpetic neuralgia	2
Peripheral neuropathy (diabetic, n=7; renal, n=1)	8
Complex regional pain syndrome II (causalgia)	2
Central pain (stroke, n=1; spinal cord injury, n=1; syringomyelia, n=1; multiple sclerosis, n=1)	4
Neck and arm nerve roots (C6 and C7)	3
Postcoronary bypass incisional pain	1
Neuropathic pain in the pelvis or abdomen	3
Brachial plexus avulsion	2
Phantom limb pain	3
von Recklinghausen’s disease peripheral neuropathic pain	1
Musculoskeletal pain (osteoarthritis, n=17; Crohn’s disease, n=1; osteomyelitis, n=1; rheumatoid arthritis, n=1; osteoporosis/compression, n=1)	21
Chronic headache	4
Other (postgastrectomy or abdominal pain)	2
Total	98

There were 98 pain conditions in the 84 subjects. Some patients had more than one pain diagnosis