LBP and Functional abnormality of the gastrointestinal tract: Markers of GI dysfunction (sCD14, IFABP, and LBP) were also positively associated with a marker of systemic inflammation (CRP [ρ = 0.598, p < 0.0001], [ρ = 0.504, p = 0.0002], and [ρ = 0.487, p = 0.0004], respectively; Figure 9).