From: Inflammatory bowel disease is associated with an increase in the incidence of multiple sclerosis: a retrospective cohort study of 24,934 patients
Patient group
Crohn’s disease
Ulcerative colitis
HR (95% CI)
p-value
Total
2.09 (1.28–3.39)
0.003
2.35 (1.47–3.78)
< 0.001
Women
1.72 (0.99–2.98)
0.055
1.95 (1.11–3.43)
0.012
Men
3.92 (1.32–11.66)
0.014
3.60 (1.46–8.85)
0.005