Table 1.

Distribution of chronic inflammatory diseases with presence of pain. The study participants were Caucasian men and women aged between 30 and 86 years. The number of subjects involved was 1015, comprising 401 males and 614 females, with an average age of 48 years. In all the subjects, pain was a major feature of their lives

	M	F
Rheumatoid arthritis	195	231
Osteoarthritis	65	132
Cervical pain	16	79
Fibromyalgia	45	53
Low back pain	11	21
Chronic recurrent headaches	49	68
Chronic nonspecific pains	20	30
Total	401	614