Sedated vs unsedated colonoscopy: A prospective study

Table 2 Patient characteristics n (%)

Characteristics	Sedated	Unsedated	P value
Total	270	133
Male	149 (55.2)	88 (66.2)	0.04
Female	121 (44.8)	45 (33.8)
Average age (yr)	43.4 ± 17	48.4 ± 13.7	0.002
Outpatient	180 (66.7)	119 (89.5)	0.001
Weight (kg)	70.2 ± 18.2	77.9 ± 16.7	0.0004
Smoking	25 (9.3)	12 (9.1)	0.72
NSIADs use	50 (18.7)	20 (15)	0.4
Education level
Less than high school	111 (41.1)	63 (47.4)	0.67
High school	44 (16.3)	22 (16.5)
Some college	36 (13.3)	14 (10.5)
College or more	70 (25.9)	32 (24.1)
Physicians	9 (3.3)	2 (1.5)
Abdominal pain	139 (51.5)	74 (55.6)	0.45
IBS	67 (24.8)	47 (35.3)	0.03
IBD	23 (8.5)	12 (9.1)	0.85
Previous pelvic surgery	35 (13)	29 (22)	0.03
Previous abdominal surgery	65 (24.1)	39 (29.3)	0.28
Anxiety level prior to colonoscopy	6.1 ± 3.7	5.2 ± 3.6	0.008
Previous sedated colonoscopy	50 (18.5)	11 (8.3)	0.0003
Previous sedated gastroscopy	55 (20.4)	8 (6)	0.0001
Preparation quality
Good	139 (50.2)	64 (48.1)	0.72
Fair	92 (34.1)	51 (38.3)
Poor	39 (14.1)	18 (13.5)

Data are frequency counts (percentage of total) or mean ± SD. IBS: Irritable bowel syndrome; IBD: Inflammatory bowel disease.