CRP and irritable bowel syndrome: The univariate analysis of the cohabitants’ quality of life showed a significant association of HHMQoL-IBD and those variables: IBDQ 32 score in their relatives (p < 0.0001) (Figure 1), last CRP (p = 0.043), number of disease flares in the last year (p = 0.04), extraintestinal diseases (p = 0.01) (Figure 2), and, particularly, articular disease (p = 0.04) (Table 4).