Red cell distribution width as a biomarker of disease activity in ulcerative colitis and Crohn’s disease

doi:10.3748/wjg.121569

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Retrospective Cohort Study

Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Gastroenterol. Oct 14, 2026; 32(38): 121569
Published online Oct 14, 2026. doi: 10.3748/wjg.121569

Table 1 Baseline demographic, laboratory, and activity characteristics of the study population, median (interquartile range)

Variable	Ulcerative colitis (n = 365)	Crohn’s disease (n = 90)	P value
Age (years)	43.0 (32-58)	43.0 (34-55)	0.59
Sex, male (%)	58.4	53.3	0.39
Platelet (× 10³/μL)	293 (241-351)	299 (244-376)	0.36
CRP (mg/L)	3.7 (1.3-10.3)	4.8 (1.5-15.6)	0.08
RDW-CV (%)	13.3 (12.9-14.5)	13.9 (13.1-15.5)	0.008
RDW-SD (fL)	41.8 (39.8-44.2)	43.4 (40.8-46.9)	< 0.001
Remission (%)	30.1	26.7	0.52
Active disease (%)	69.9	73.3

RDW-CV: Red cell distribution width-coefficient of variation; RDW-SD: Red cell distribution width-standard deviation; CRP: C-reactive protein.

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Citation: Polat YH, Çakal B, Tece S, Yuksel I. Red cell distribution width as a biomarker of disease activity in ulcerative colitis and Crohn’s disease. World J Gastroenterol 2026; 32(38): 121569
URL: https://www.wjgnet.com/1007-9327/full/v32/i38/121569.htm
DOI: https://dx.doi.org/10.3748/wjg.121569

Polat YH, Çakal B, Tece S, Yuksel I. Red cell distribution width as a biomarker of disease activity in ulcerative colitis and Crohn’s disease. World J Gastroenterol 2026; 32(38): 121569 [DOI: 10.3748/wjg.121569]

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