Table 2

 Calculation of the modified Truelove Witts severity index (MTWSI) for ulcerative colitis

CategoryScore
BM, bowel movement.
ADiarrhoea0 = 1–2 BM/day
1 = 3–4 BM/day
2 = 5–6 BM/day
3 = 7–9 BM/day
4 = 10 or more BM/day
BNocturnal diarrhoea/0 = No 1 = Yes
Early AM awakening for BM
CBloody stools0 = None
1 = Occasionally with BM
2 = 50% of BM
3 = With every BM
DFecal incontinence/soiling0 = No 1 = Yes
EAbdominal0 = None
pain/cramping1 = Mild; aware, but tolerable
2 = Moderate; interferes with usual activities
3 = Severe; incapacitating
FGeneral0 = Excellent
wellbeing1 = Very Good
2 = Good
3 = Fair
4 = Poor
5 = Terrible
GAntidiarrhoeals/narcotics0 = No 1 = Yes
HAbdominal0 = None
tenderness1 = Mild to moderate; localised
2 = Mild to moderate; diffuse
3 = Severe or rebound tenderness