Figure 2.

Scatterplot: Kappa agreement: presence of symptom. Note: the numbers in the plot refer to the question number. 1 = abdominal pain; 2 = anal pain; 3 = change in bowel habit; 4 = urgency; 5 = incomplete evacuation;; 6 = rectal mucus; 7 = rectal bleeding; 8 = fatigue; 9 = weight loss; 10 = abdominal lump; 11 = anal lump; 12 = anaemia.