Table 4.

Univariate and multivariate analysis in methadone dependent patients

Variables	Univariate OR (95% CI)	P value	Multivariate OR (95% CI)	P value
Bowel visualization
Excellent	1.00		1.00
Good	1.25 (0.50, 3.16)	0.64	1.07 (0.41, 2.80)	0.89
Fair	3.89 (1.33, 11.36)	0.01	2.51 (0.74, 8.50)	0.14
Poor	13.50 (4.21, 43.31)	< 0.001	7.77 (1.66, 36.47)	0.01
Bowel preparation assessment
Good	1.00		1.00
Fair	3.82 (1.63, 8.96)	0.002	2.29 (0.86, 6.10)	0.10
Poor	8.10 (3.05, 21.56)	< 0.001	2.61 (0.56, 12.21)	0.22
Repeat colonoscopy	3.42 (1.44, 8.13)	0.01	0.73 (0.19, 2.77)	0.64

OR: Odds ratio.