Decreased Breg/Th17 Ratio Improved the Prognosis of Patients with Ulcerative Colitis

Table 1

Mayo score.

Terms	≤2 points	3–5 points	6–10 points	11-12 points
Stool frequency	Normal	1-2 stools/day more than normal	3-4 stools/day more than normal	>4 stools/day more than normal
Rectal bleeding	None	Visible blood with stool less than half the time	Visible blood with stool half of the time or more	Passing blood alone
Mucosal appearance at endoscopy	Normal or inactive disease	Mild disease (erythema, decreased vascular pattern, mild friability)	Moderate disease (marked erythema, absent vascular pattern, friability, erosions)	Severe disease (spontaneous bleeding, ulceration)
Physician rating of disease activity	Normal	Mild	Moderate	Severe

Notes. Mayo scoring 2 points: remission; 3–5 points: mild; 6–10 points: moderate; 11-12 points: severe.