Triradiate caecal fold: Is it a useful landmark for caecal intubation in colonoscopy?

Table 1 Indications for colonoscopies

Indication	Number
Per rectal bleeding	26
Polyp follow up	17
Cancer follow up	14
Diverticulitis	9
Altered bowel habit	9
Abnormal imaging	8
Faecal occult blood test positive	6
Fistula investigation	3
Family history	2
Anaemia	2
Iron deficiency	2
Volvulus	1
Rectal prolapse	1

Table 2 Number and percentage of "Yes" answers for each question from each reviewer

Reviewer	Caecum	Appendiceal orifice		Triradiate fold
1	99	76	77%	13	17%
2	95	79	83%	17	22%
3	96	76	79%	13	17%
4	93	89	96%	18	20%
5	100	89	89%	11	12%
6	97	73	75%	13	18%
Average	97	80	83%	14	18%

Percentages are calculated with denominator being number of “Yes” answers from previous question.