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

Table 3 Proportion of patients with over-changed values n (%)

	PEG-Asc	4-L PEG	P value
	(n = 112)	(n = 114)
Na change > 4.5 mmol/L	7 (6.3)	14 (12.4)	0.113
K change > 0.8 mmol/L	5 (4.5)	6 (5.3)	0.769
Ca change > 0.7 mg/dL1	4 (3.6)	4 (3.5)	> 0.999
Mg change > 0.7 mg/dL1	2 (1.8)	0 (0)	0.244
P change > 0.7 mg/dL	21 (18.8)	16 (14.0)	0.338
S osm change > 7.5 mmol/kg	61 (54.5)	51 (44.7)	0.144
Cr change > 0.7 mg/dL	0 (0)	0 (0)	> 0.999

¹Fisher’s exact test. PEG-Asc: Low-volume (2-L) polyethylene glycol solution + ascorbic acid 4.7 g; 4-L PEG: High-volume (4-L) polyethylene glycol solution.