Table 4.
Means, standard deviations and 95% confidence intervals of biomarkers in participants with IC/BPS only and those with additional comorbid conditions (Fibromyalgia, Irritable Bowel Syndrome, vulvodynia, Chronic Fatigue Syndrome, Temperomandibular Disorder)
| Variable Mean (S.D.) 95% CI Inflammatory Variables | IC Only n=26 | IC Comorbid n=40 | p | 
|---|---|---|---|
| TLR-4 inflammatory response | −.36 (1.13) −.82, .09 | .24 (.85) −.03, .51 | .016 | 
| IL-1β + LPS | 3.11 (.93) 2.73,3.48 | 3.58 (.44) 3.44, 3.72 | .008 | 
| IL-6 + LPS | 4.15 (.40) 3.99, 4.31 | 4.28 (.42) 4.14, 4.41 | .205 | 
| TLR-2 inflammatory response | −.10 (1.06) −.53, .32 | .07 (.97) −.24, .38 | .501 | 
| IL-1β + SAC | 1.17 (1.19) .69, 1.65 | 1.44 (1.14) 1.08, 1.81 | .365 | 
| IL-6 + SAC | 1.68 (1.37) 1.13, 2.24 | 1.79 (1.22) 1.40, 2.19 | .719 | 
| Cortisol Slope (ln transformed) | n=22 −.11 (.06) −.14, −.08 | n=34 −.11 (.07) −.13, −.08 | .955 | 
| IL-6 plasma (log10 transformed) | .33 (.35) −.75, 0.84 | .46 (.26) .00, .97 | .097 | 
| Duration of Symptoms (years) | 6.91 (7.48) 3.89, 9.93 | 8.3 (8.00) 5.71, 10.90 | .48 | 
IL-6=Interleukin-6. IL-1β=Interleukin-1 beta. LPS= lipopolysaccharide. SAC= Staphylococcus aureus Cowan. TLR = Toll-Like Receptor.