Risk of inflammatory bowel disease in patients with chronic obstructive pulmonary disease: A nationwide, population-based study

doi:10.3748/wjg.v25.i42.6354

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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

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World J Gastroenterol. Nov 14, 2019; 25(42): 6354-6364
Published online Nov 14, 2019. doi: 10.3748/wjg.v25.i42.6354

Table 1 Baseline characteristics of study population, n (%)

	Non-COPD controls (n = 6515105)	COPD group (n = 1303021)	P value
Sex (Male %)	2867470 (44.0)	573494 (44.0)	1
Age (yr)	57.1 ± 10.72	57.1 ± 10.72	1
40-64	5025580 (77.1)	1005116 (77.1)
65-	1489525 (22.9)	297905 (22.9)
COPD severity
Mild		1191562 (91.4)
Severe		111459 (8.6)
Income Low¹	1597508 (24.5)	357627 (27.5)	< 0.001
Urban residents	2965581 (45.8)	567359 (44.1)
Comorbidity
Diabetes mellitus	640544 (9.8)	164860 (12.7)	< 0.001
Hypertension	1703988 (26.2)	418880 (32.2)	< 0.001
Dyslipidemia	1002279 (15.4)	272449 (20.9)	< 0.001
Follow up duration (yr)	3.9 ± 1.4	3.9 ± 1.4	0.8803

¹Denotes subjects with annual income lower than 20% among total population. COPD: Chronic obstructive pulmonary disease.

Citation: Lee J, Im JP, Han K, Park S, Soh H, Choi K, Kim J, Chun J, Kim JS. Risk of inflammatory bowel disease in patients with chronic obstructive pulmonary disease: A nationwide, population-based study. World J Gastroenterol 2019; 25(42): 6354-6364
URL: https://www.wjgnet.com/1007-9327/full/v25/i42/6354.htm
DOI: https://dx.doi.org/10.3748/wjg.v25.i42.6354