Table 3

Risk of multiple system atrophy in patients with IBD: a Danish nationwide cohort study 1977–2014

IBDNon-IBD individualsHR for individuals diagnosed with IBD compared with non-IBD individuals (reference)
Events*Rate†EventsRate†Crude HR (95% CI)Adjusted HR‡  (95% CI)
IBD
 All130.0148660.0081.63 (0.95 to 2.81)1.41 (0.82 to 2.44)
Gender
 Female60.0144400.0081.61 (0.77 to 3.38)1.41 (0.67 to 2.96)
 Male70.0154260.0071.60 (0.72 to 3.56)1.38 (0.62 to 3.08)
Charlson Comorbidity Index
 0<52371 (reference)
 1–2<53262.43 (2.32 to 2.54)
 3–4<51803.46 (3.27 to 3.66)
 5–6<5953.74 (3.49 to 4.00)
 >7<5284.16 (3.70 to 4.69)
  • HRs are stratified by matching factors (genderand age).

  • *According to the regulation of the Danish Health Data Authority fewer than five events must be anonymised.

  • †Incidence rate per 1000 person-years.

  • ‡HRs are adjusted for Charlson Comorbidity Index.