Comparison of a 4-Day versus 2-Day Low Fiber Diet Regimen in Barium Tagging CT Colonography in Incomplete Colonoscopy Patients

Table 4

Tagging percentage of residual solid stool in colonic segments.

Tagging percentage (1, 2, 3, 4, 5)	4-day		2-day
(0%, <25, 25–50, 50–75, 75<)		%		%
Caecum
Absent	5	11.1%	14	25.5%	0.115^*
1	3	6.7%	0	0.0%
2	3	6.7%	1	1.8%
3	3	6.7%	2	3.6%
4	11	24.4%	17	30.9%
5	20	44.4%	21	38.2%
Ascending colon
Absent	9	20.0%	20	36.4%	0.241^*
1	2	4.4%	0	0.0%
2	1	2.2%	0	0.0%
3	2	4.4%	1	1.8%
4	5	11.1%	5	9.1%
5	26	57.8%	29	52.7%
Transverse colon
Absent	10	22.2%	19	33.9%	0.423^*
1	3	6.7%	2	3.6%
2	1	2.2%	0	0.0%
3	0	0.0%	1	1.8%
4	4	8.9%	2	3.6%
5	27	60.0%	32	57.1%
Descending colon
Absent	16	35.6%	21	37.5%	0.603^*
1	2	4.4%	3	5.3%
2	0	0.0%	2	3.7%
3	2	4.4%	1	1.8%
4	2	4.4%	4	7.1%
5	23	51.2%	25	44.6%
Sigmoid colon
Absent	19	42.2%	19	33.9%	0.172^*
1	4	8.9%	6	10.7%
2	0	0.0%	3	5.4%
3	2	4.4%	1	1.8%
4	0	0.0%	5	8.9%
5	20	44.4%	22	39.3%
Rectum
Absent	20	44.4%	23	41.1%	0.499^*
1	1	2.2%	3	5.4%
2	0	0.0%	1	1.8%
3	0	0.0%	1	1.8%
4	3	6.7%	8	14.3%
5	21	46.7%	20	35.7%

There was no significant difference for tagging percentage of residual solid stool in colonic segments between 4-day and 2-day diet groups (P > 0.05).