Bowel preparation protocol for hospitalized patients ages 50 years or older: A randomized controlled trial

Table 4 Comparison of degree of comfort between groups 1 and 2

Variable	Group 11, n = 60	Group 22, n = 82	P value
Comfort score	8.85 ± 1.162	7.59 ± 1.735	< 0.001
Sleep duration in h	6.86 ± 1.204	5.80 ± 1.730	< 0.001
Number of awakenings	1.42 ± 1.183	2.04 ± 1.835	0.026
Incontinence (%)	4 (6.7)	11 (13.4)	0.196

Data are mean ± SD or n (%).

¹Group 1: 30 mL of lactulose on the day before the colonoscopy, three meals with a low-residue liquid diet, and 2 L of water mixed with polyethylene glycol on the colonoscopy day.

²Group 2: Regular diet for breakfast and lunch, fasting or a low-residue liquid diet for dinner, and 2 L of water mixed with polyethylene glycol (PEG) on the day before the colonoscopy; 2 L of water mixed with PEG on the colonoscopy day.