Clinical Study

The Efficacy of Infliximab Monotherapy versus Infliximab-Azathioprine Sequential Treatment in Crohn’s Disease: Experience from a Tertiary Medical Center in China

Figure 1

Flowchart of this observational study. CD, Crohn’s disease; CDAI, Crohn’s Disease Activity Index; CDEIS, Crohn’s Disease Endoscopic Index of Severity; IFX, infliximab; and AZA, azathioprine.