The Diagnostic Accuracy of a Fecal Immunochemical Test in Detecting Colorectal Cancer and Advanced Precancerous Colorectal Neoplasia in Patients with Iron Deficiency: A Protocol for Systematic Review and Meta-Analysis
Table 1
Summary of inclusion and exclusion criteria.
Inclusion criteria
Exclusion criteria
Population
(i) 18 years and older (ii) Any sex (iii) Diagnosed with ID, with or without anemia
(i) Known coexisting cancer of any type (ii) Known genetic predisposition for CRC including Lynch syndrome and familial adenomatous polyposis (iii) Known inflammatory bowel disease (iv) Known hematological diseases (v) Known coeliac disease
Intervention
(i) Quantitative FIT
(i) Guaiac-based fecal test (ii) Nonquantitative FIT
Comparison
(i) Colonoscopy done within 6 months after FIT
(i) Other screening options including sigmoidoscopy and CT colonography