Surgery versus surveillance in ulcerative colitis patients with endoscopically invisible low-grade dysplasia: a cost-effectiveness analysis Ben Parker, MSc, James Buchanan, MA, DPhil, Sarah Wordsworth, MSc, PhD, Satish Keshav, MD, PhD, Bruce George, FRCS, James E. East, MD(Res), FRCP Gastrointestinal Endoscopy Volume 86, Issue 6, Pages 1088-1099.e5 (December 2017) DOI: 10.1016/j.gie.2017.08.031 Copyright © 2017 American Society for Gastrointestinal Endoscopy Terms and Conditions
Figure 1 Surveillance model structure. LGD, Low-grade dysplasia; CRC, colorectal cancer; HGD, high-grade dysplasia. Gastrointestinal Endoscopy 2017 86, 1088-1099.e5DOI: (10.1016/j.gie.2017.08.031) Copyright © 2017 American Society for Gastrointestinal Endoscopy Terms and Conditions
Figure 2 Immediate surgery model structure and structure of surgery component of surveillance model. LGD, Low-grade dysplasia; CRC, colorectal cancer; IPAA, ileal pouch-anal anastomosis. Gastrointestinal Endoscopy 2017 86, 1088-1099.e5DOI: (10.1016/j.gie.2017.08.031) Copyright © 2017 American Society for Gastrointestinal Endoscopy Terms and Conditions
Figure 3 Cost-effectiveness acceptability curve. Patient age 25 years, no comorbidities. Gastrointestinal Endoscopy 2017 86, 1088-1099.e5DOI: (10.1016/j.gie.2017.08.031) Copyright © 2017 American Society for Gastrointestinal Endoscopy Terms and Conditions
Figure 4 Cost-effectiveness acceptability curve. Patient age 65 years, no comorbidities. Gastrointestinal Endoscopy 2017 86, 1088-1099.e5DOI: (10.1016/j.gie.2017.08.031) Copyright © 2017 American Society for Gastrointestinal Endoscopy Terms and Conditions