Prospective randomized comparison of oral sodium phosphate and polyethylene glycol lavage for colonoscopy preparation

Table 4 Overall assessment of preparation by the colonoscopist and stratified by completion of solution

Group	Excellent (%)	Good (%)	Fair (%)	Poor (%)	χ2M–HP	Good/excellent (%)	P
Overall
NaP (n = 38)	22 (57.9)	8 (21.1)	8 (21.1)	0 (0.0)	0.648	30 (78.9)	0.7781
PEG (n = 40)	22 (55.0)	11 (27.5)	3 (7.5)	4 (10.0)		33 (82.5)
Complete	100				0.5842		0.3212
NaP (n = 32)	19 (59.4)	7 (21.9)	6 (18.8)	0 (0.0)		26 (81.3)
PEG (n = 11)	8 (72.7)	2 (18.2)	1 (9.1)	0 (0.0)		10 (90.9)
Incomplete	0-99
NaP (n = 6)	3 (50.0)	1 (16.7)	2 (33.3)	0 (0.0)		4 (66.7)
PEG (n = 29)	14 (48.3)	9 (31.0)	2 (6.9)	4 (13.8)		23 (79.3)

¹Fisher’s exact test.

²Cochran-Mantel-Haenszel χ² test controlling for completion of oral solution.