Medications and the Risk of Colorectal Cancer in Patients with Inflammatory Bowel Diseases: Use of the Landmark Method
CONCLUSION: In patients with inflammatory bowel disease, the preventive effect of drug exposure on colorectal cancer varies depending on the application of the landmark method. Hence, the possibility of immortal time bias should be considered.PMID:34672133 | DOI:10.3349/ymj.2021.62.11.997
Source: Yonsei Medical Journal - Category: Universities & Medical Training Authors: Yoon Young Choi Jung Kuk Lee Hyun-Soo Kim Dong Wook Kim Hee Man Kim Dae Ryong Kang Source Type: research