Noninferiority clinical trial comparing the bowel cleansing efficacy of sodium phosphate tablets (Quiklean®) with a polyethylene glycol/bisacodyl kit

Table 4 Acceptability and tolerability (per-protocol analysis set), n (%)

	Quiklean®, n = 208	Klean-Prep/Dulcolax®, n = 209	P value
1 How easy or difficult was it to consume the study drug?
Very easy	68 (32.7)	48 (23.0)	0.12011
Easy	96 (46.2)	110 (52.6)
Tolerable	23 (11.1)	25 (12.0)
Difficult	18 (8.7)	25 (12.0)
Very difficult	3 (1.4)	1 (0.5)
2 Were you able to consume the study preparation as instructed?
Yes	208 (100)	207 (99.0)	0.49882
No	0	2 (1.0)
3 Please describe your overall experience with the study preparation.
Excellent	50 (24.0)	36 (17.2)	0.00161
Good	112 (53.8)	109 (52.2)
Fair	21 (10.1)	12 (5.7)
Poor	24 (11.5)	43 (20.6)
Bad	1 (0.5)	9 (4.3)
4 The taste of this study preparation was
Excellent	48 (23.1)	28 (13.4)	< 0.00011
Good	82 (39.4)	82 (39.2)
Fair	41 (19.7)	17 (8.1)
Poor	35 (16.8)	65 (31.1)
Bad	2 (1.0)	17 (8.1)
5 Would you ask your doctor for this preparation again if you need another colonoscopy in the future?
Yes	167 (80.3)	152 (72.7)	0.08302
No	41 (19.7)	27.3)
6 Would you refuse the same preparation again if it were to be prescribed to you in the future?
Yes	42 (20.2)	54 (25.8)	0.20072
No	166 (79.8)	155 (74.2)

¹Indicates that P value was obtained by Cochran-Mantel-Haenszel test.

²Indicates that P value was obtained by Fisher’s exact test.