Prediction of Inadequate Bowel Preparation Using Total and Segmental Colon Transit Time in Patients with Chronic Constipation: Some Different Outcomes

Table 9

Diagnostic function of total and segmental CTTs compared with BBPS for inadequate bowel preparation in the STC group.

TCTT (48.0 h)	BBPS		RTT (15.5 h)	RBBPS		LTT (17.5 h)	LBBPS		RSTT (19.0 h)	RSBBPS
	<6	≥6		<2	≥2		<2	≥2		<2	≥2
≥48.0	20	3	≥15.5	14	4	≥17.5	16	5	≥19.0	14	2
<48.0	1	16	<15.5	6	16	<17.5	4	15	<19.0	3	21
Total	21	19	Total	20	20	Total	20	20	Total	17	23

TCTT: total colon transit time; BBPS: Boston Bowel Preparation Scale; RTT: right colon transit time; RBBPS: right colon Boston Bowel Preparation Scale; LTT: left colon transit time; LBBPS: left colon Boston Bowel Preparation Scale; RSTT: rectal sigmoid colon transit time; RSBBPS: rectal sigmoid colon Boston Bowel Preparation Scale.