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. 2024 Apr 19;18(2):101345. doi: 10.1016/j.jcmgh.2024.04.002

Table 3.

Chapter-Level ICD10 Comorbidities in UKBB Subjects

ICD10 Chapter OR (95% CI)
P value (FDR)a
IBS IBS-M IBS-D IBS-C IBS IBS-M IBS-D IBS-C
I Certain infectious and parasitic diseases 2.1 (1.9–2.2) 2.2 (2.1–2.4) 2.0 (1.8–2.2) 1.9 (1.6–2.1) 5.0E-104 1.4E-87 6.5E-35 4.2E-19
II Neoplasms 1.2 (1.2–1.3) 1.2 (1.2–1.3) 1.3 (1.2–1.3) 1.3 (1.2–1.4) 3.5E-28 3.2E-17 3.0E-10 4.4E-10
III Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism 1.5 (1.4–1.7) 1.6 (1.5–1.8) 1.4 (1.2–1.6) 1.6 (1.4–1.9) 3.1E-30 3.8E-27 9.5E-06 6.0E-10
IV Endocrine, nutritional and metabolic diseases 1.6 (1.5–1.7) 1.8 (1.7–1.9) 1.5 (1.4–1.6) 1.5 (1.4–1.7) 2.0E-100 3.2E-98 3.3E-22 9.6E-18
V Mental and behavioral disorders 2.2 (2.1–2.4) 2.4 (2.3–2.6) 2.0 (1.8–2.2) 2.3 (2.0–2.6) 4.1E-140 2.3E-120 7.7E-39 3.3E-39
VI Diseases of the nervous system 1.7 (1.6–1.8) 1.8 (1.7–1.9) 1.5 (1.4–1.7) 1.8 (1.6–2.0) 4.4E-80 1.2E-63 3.3E-18 2.3E-27
VII Diseases of the eye and adnexa 1.2 (1.1–1.3) 1.2 (1.1–1.3) 1.2 (1.0–1.3) 1.2 (1.0–1.3) 8.3E-10 4.7E-08 1.4E-02 3.8E-02
VIII Diseases of the ear and mastoid process 1.5 (1.4–1.7) 1.6 (1.4–1.8) 1.5 (1.3–1.8) 1.6 (1.3–2.0) 8.2E-15 2.8E-11 1.8E-05 3.0E-05
IX Diseases of the circulatory system 1.6 (1.6–1.7) 1.7 (1.7–1.8) 1.5 (1.4–1.6) 1.6 (1.5–1.7) 1.3E-146 7.5E-125 1.3E-33 7.5E-33
X Diseases of the respiratory system 1.7 (1.6–1.8) 1.8 (1.7–1.9) 1.5 (1.4–1.6) 1.7 (1.6–1.9) 5.2E-106 2.8E-90 2.4E-23 1.9E-28
XI Diseases of the digestive system 2.5 (2.4–2.6) 2.7 (2.5–2.8) 2.3 (2.2–2.4) 2.6 (2.4–2.8) <1.0E-300 <1.0E-300 1.5E-178 1.8E-157
XII Diseases of the skin and subcutaneous tissue 1.3 (1.2–1.4) 1.3 (1.2–1.4) 1.3 (1.2–1.4) 1.3 (1.1–1.4) 1.3E-19 1.8E-16 3.0E-06 1.2E-04
XIII Diseases of the musculoskeletal system and connective tissue 1.5 (1.4–1.5) 1.6 (1.5–1.6) 1.3 (1.3–1.4) 1.5 (1.4–1.7) 1.2E-102 1.0E-85 2.0E-20 3.4E-30
XIV Diseases of the genitourinary system 1.5 (1.5–1.6) 1.6 (1.6–1.7) 1.4 (1.3–1.5) 1.7 (1.5–1.8) 1.0E-123 3.3E-101 3.6E-28 6.4E-41
XVIII Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified 2.1 (2.1–2.2) 2.3 (2.2–2.4) 2.0 (1.9–2.1) 2.2 (2.0–2.4) <1.0E-300 <1.0E-300 1.4E-119 1.8E-108

CI, confidence interval; FDR, false discovery rate; IBS, irritable bowel syndrome; IBS-C, irritable bowel syndrome constipation-predominant subtype; IBS-D, irritable bowel syndrome diarrhea-predominant subtype; IBS-M, irritable bowel syndrome mixed subtype; ICD10, International Classification of Diseases, 10th revision; OR, odds ratio; SD, standard deviation; SE, standard error; UKBB, UK Biobank.

a

From sex- and age-adjusted logistic regressions, comparing the risk of ICD10 diagnoses (at the chapter level) in IBS cases versus control subjects. Nonsignificant results (FDR >0.05) are omitted (indicated by a dash). Only ICD10 chapters for diseases (Chapters I-XIV) and laboratory findings (Chapter XVIII) are included, excluding K58 for IBS and confounding gastrointestinal diagnoses (see Methods).