The Effectiveness of Short Message Service to Assure the Preparation-to-Colonoscopy Interval before Bowel Preparation for Colonoscopy

Table 3

The relationship of intervention using SMS and PC interval.

	No-SMS^† group ()	SMS group ()	Total ()	value
PC interval 3–5 h	18 (13.3)	57 (41.9)	75 (27.7)	<0.001
Satisfactory Ottawa scale (≤5)	78 (57.8)	108 (79.4)	186 (68.6)	<0.001

PC interval^*, preparation-to-colonoscopy interval; SMS^†, short message service of cellular phone.