Skip to main content

Table 3 Comorbid Conditions, Overall and by Fibromyalgia Severity Level

From: The comparative burden of mild, moderate and severe Fibromyalgia: results from a cross-sectional survey in the United States

   Severity Level
Comorbid condition, n (%) a Total
(n = 203)
Mild
(n = 21)
Moderate
(n = 49)
Severe
(n = 133)
p-value b
Sleep disturbance/Insomnia 138 (68.0) 11 (52.4) 35 (71.4) 92 (69.2) 0.259
Depressive Symptoms 117 (57.6) 5 (23.8) 20 (40.8) 92 (69.2) < 0.001
Headache/migraine 105 (51.7) 10 (47.6) 26 (53.1) 69 (51.9) 0.915
Anxiety 101 (49.8) 4 (19.0) 20 (40.8) 77 (57.9) 0.002
Chronic Fatigue Syndrome 86 (42.4) 2 (9.5) 26 (53.1) 58 (43.6) 0.003
Irritable Bowel Syndrome 74 (36.5) 5 (23.8) 17 (34.7) 52 (39.1) 0.384
Restless Leg Syndrome 58 (28.6) 3 (14.3) 16 (32.7) 39 (29.3) 0.281
Cognitive Dysfunction 55 (27.1) 2 (9.5) 15 (30.6) 38 (28.6) 0.154
Major Depressive Disorder 47 (23.2) 0 (0.0) 11 (22.4) 36 (27.1) 0.024
Raynaud's Syndrome 15 (7.4) 2 (9.5) 5 (10.2) 8 (6.0) 0.584
  1. a Subjects may have more than one condition; thus, percents may sum to more than 100%.
  2. b Chi-square test.
  3. Source: Clinical CRF.