Efficacy of 0.5-L vs 1-L polyethylene glycol containing ascorbic acid as additional colon cleansing methods for inadequate bowel preparation as expected by last stool examination before colonoscopy

Table 6 Other secondary points

		0.5-L Group (n = 47)	1-L Group (n = 43)	Total (n = 90)	P value
Compliance to additional PEG + Asc		44 (93.6)	37 (86.0)	81 (90.0)	0.399
Adverse effects of PEG		31 (66.0)	23 (53.5)	54 (60.0)	0.322
	Abdominal discomfort	29 (61.7)	28 (65.1)	57 (63.3)	0.907
	Nausea	33 (70.2)	25 (58.1)	58 (64.4)	0.33
	Vomiting	5 (10.6)	7 (16.3)	12 (13.3)	0.634
Patient’s satisfaction		6.7 ± 1.8	5.9 ± 1.9	6.3 ± 1.9	0.041

Values are presented as the mean ± SD or n (%). PEG + Asc: Polyethylene glycol containing ascorbic acid; 0.5-L Group: additional 0.5-L PEG + Asc regimen; 1-L Group: additional 1-L PEG + Asc regimen.