Design of the COIN study.

<p>Design of the COIN study.</p

Multivariate logistic regression analyses of CD and UC patients with increase of healthcare costs as dependent variable.

<p>Multivariate logistic regression analyses of CD and UC patients with increase of healthcare costs as dependent variable.</p

Demographic and disease characteristics of the study population.

<p>SD: Standard deviation; IQR: Interquartile range; n/a: not applicable; NS: not significant.</p