Single balloon enteroscopy in the elderly

Table 5 Adjusted differences in the outcomes by age groups by type of single-balloon enteroscopy after removing gastric bypass

Factor	< 65 years	65-75 years		> 75 years
	Reference	OR (95%CI)	P value	OR (95%CI)	P value
Diagnostic findings
Normal	Reference	Reference	-	Reference	-
Angioectasia	Reference	1.97 (0.69-5.6)	0.202	7.7 (2.81-21.14)	< 0.001
Erosion/ulcer/other	Reference	0.93 (0.37-2.32)	0.871	1.13 (0.40-3.23)	0.815
Diagnostic yield	Reference	1.25 (0.57-2.73)	0.584	3.02 (1.32-6.93)	0.009
Intervention	Reference	1.10 (0.50-2.45)	0.808	2.69 (1.23-5.9)	0.013
Depth of the scope-RC (95%CI)	Reference	-11.26 (-33.15 to 10.63)	0.311	13.52 (-8.57 to 35.62)	0.229
Retrograde
Diagnostic findings
Normal	Reference	Reference	-	Reference	-
Erosion/ulcer/other	Reference	3.25 (0.35-30.05)	0.299	1.29 (0.11-15.32)	0.84
Diagnostic yield	Reference	3.75 (0.4-34.8)	0.245	1.73 (0.18-16.82)	0.639
Intervention	Reference	2.07 (0.13-33.57)	0.608	11.97 (0.76-187.64)	0.077
Depth of the scope-RC (95%CI)	Reference	-16.47 (-88.39 to 55.45)	0.639	31.19 (-45.01 to 107.39)	0.404

Adjusted for body mass index, gender, ethnicity, and indication. OR: Odds ratio; CI: Confidence interval; RC: Regression coefficient.