Table 3.

Preoperative bowel symptoms as reported on visual analog scale

	Intention to Treat		p	Per Protocol		P
	Bowel Prep n=43	No Prep n=52		Bowel Prep n=50	No Prep n=45
Cramping or Pain	1.37±2.04	1.23±1.89	.96	1.57±1.93	0.98±1.94	.09
Bloating or swelling	1.30±1.67	1.24±1.70	.91	1.77±1.94	0.70±1.08	.009
Hunger	3.11±2.72	3.58±2.60	.45	4.21±2.69	2.42±2.29	.0008
Thirst	3.41±2.95	3.79±2.95	.54	3.56±2.89	3.69±3.03	.90
Nausea	0.96±1.97	1.27±2.26	.43	1.68±2.50	0.50±1.40	.033
Vomiting	0.24±0.95	0.35±1.20	.86	0.44±1.47	0.15±0.26	.40
Dizziness	0.58±1.36	0.44±0.80	.86	0.72±1.35	0.25±0.57	.17
Weakness	1.01±1.92	0.85±1.27	.71	1.25±1.80	0.54±1.21	.13
Sleep disruption	1.22±1.89	1.49±2.47	.70	1.90±2.33	0.77±1.94	.002
Embarrassment	0.42±0.97	0.64±1.63	.68	0.73±1.45	0.34±1.27	.13
Fecal Incontinence	0.62±1.32	1.22±2.30	.75	1.28±2.20	0.57±1.53	.038
Overall Discomfort	1.78±2.10	1.91±2.37	.97	2.22±2.02	1.44±2.43	.014
How difficult was the bowel prep to complete?a
Easy	12 (27.9%)	7 (13.5%)		19 (38.0%)	N/A
Tolerable	7 (16.3%)	11 (21.2%)		18 (36.0%)	N/A
Slightly difficult	1 (2.3%)	3 (5.8%)		4 (8.0%)	N/A
Moderately difficult	2 (4.7%)	1 (1.9%)		3 (6.0%)	N/A
Very difficult	1 (2.3%)	2 (3.9%)		3 (6.0%)	N/A

Data are presented as mean ± SD

^aMissing data for 3 patients

Scores are on a Visual Analog Scale with 0 representing the absence of symptoms and 10 representing maximal symptoms