Prognosis

Note:

The commonest systemic manifestations of ulcerative colitis are joint disease and kidney stones

Systemic manifestationb	Ulcerative colitis %  (95% CI)
joints	8.5%  (6.9% to 10%)
skin	3.4%  (2.3% to 4.5%)
liver	1.3%  (0.7% to 2.0%)
retarded growth	1.3%  (0.7% to 2.0%)
urolithiasis	6.5%  (5.0% to 7.9%)
cholelithiasis	4.1%  (3.0% to 5.3%)

• Many patients have multiple manifestations. ^c
• No manifestation is clearly commoner in Crohn's disease than ulcerative colitis, except for malabsorption. (10% of patients with Crohn's disease in one study) ^c