Electrolyte changes after bowel preparation for colonoscopy: A randomized controlled multicenter trial

Table 5 Adverse events and subjective feelings n (%)

	PEG-Asc	4-L PEG	P value
Adverse events
Nausea	32 (28.6)	34 (29.8)	0.836
Vomiting	7 (6.3)	12 (10.5)	0.247
Abdominal pain	11 (9.8)	10 (8.8)	0.786
Abdominal distension	38 (33.9)	45 (39.5)	0.387
Thirst	25 (22.3)	21 (18.4)	0.467
Dizziness	13 (11.6)	7 (6.1)	0.148
Aphtous ulcer	2 (1.8)	1 (0.9)	0.620
Subjective feelings
Feel difficult	16 (14.3)	35 (30.7)	0.003
Taste “good”	46 (41.1)	19 (16.7)	< 0.001
Willingness	82 (73.2)	67 (59.3)	0.027

PEG-Asc: Low-volume (2-L) polyethylene glycol solution + ascorbic acid 4.7 g; 4-L PEG: High-volume (4-L) polyethylene glycol solution.