Description of the inflammatory bowel disease natural history in Tehran province, Iran: Mixed panel approaches.

Aim: Description of the inflammatory bowel disease natural history in Tehran province.

Background: Inflammatory bowel disease (IBD) is a non-homogeneous disorder with an unpredictable natural history that impairs a patient's quality of life over the course of their life. As a result, providing evidence for efficient patient management is critical.

The emerging epidemic of inflammatory bowel disease in Asia and Iran by 2035: A modeling study.

Background: The projection studies are imperative to satisfy demands for health care systems and proper response to the public health problems such as inflammatory bowel disease (IBD).

Methods: To accomplish this, we established an illness-death model based on available data to project the future prevalence of IBD in Asia, Iran in particular, separately from 2017 to 2035. We applied two deterministic and stochastic approaches.