Single balloon enteroscopy in the elderly

Table 4 Differences in the outcomes between age groups among single-balloon enteroscopy patients by type of single-balloon enteroscopy

Factor	Entire cohort (n = 194)	Age (years)			P value
		< 65 (n = 104)	65-75 (n = 45)	> 75 (n = 45)
Depth of the scope, mean ± SD, n = 178	227.1 (59.1)	227.3 (60.4)	211.9 (54.2)	242.1 (58.2)	0.060
Diagnostic findings1					< 0.001
Normal	84 (44.92)	51 (51.52)	21 (46.67)	12 (27.91)
Angioectasia	44 (23.53)	12 (12.12)	11 (24.44)	21 (48.84)
Erosion/ulcer	18 (9.63)	13 (13.13)	4 (8.89)	1 (2.33)
Other	41 (21.93)	23 (23.23)	9 (20.00)	9 (20.93)
Diagnostic yield	103 (55.08)	48 (48.48)	24 (53.33)	31 (72.09)	0.033
Intervention	83 (42.78)	39 (37.50)	17 (37.78)	27 (60.00)	0.029
Therapeutic yield	51 (26.29)	17 (16.35)	11 (24.44)	23 (51.11)	< 0.001
Complications	2 (1.03)	1 (0.96)	0 (0.00)	1 (2.22)	0.58
Retrograde	33	13	12	8	-
Depth of the scope, mean ± SD, n = 30	106.9 (82.1)	117.1 (82.7)	73.1 (63.2)	133.8 (97.2)	0.26
Diagnostic findings1					0.48
Normal	14 (51.85)	6 (54.55)	4 (44.44)	4 (57.14)
Angioectasia	1 (3.70)	0 (0.00)	0 (0.00)	1 (14.29)
Erosion/ulcer	5 (18.52)	1 (9.09)	3 (33.33)	1 (14.29)
Other	7 (25.93)	4 (36.36)	2 (22.22)	1 (14.29)
Diagnostic yield	13 (48.15)	5 (45.45)	5 (55.56)	3 (42.86)	0.86
Intervention	8 (24.24)	2 (15.38)	2 (16.67)	4 (50.00)	0.15
Therapeutic yield	5 (15.15)	0 (0.00)	1 (8.33)	4 (50.00)	0.006
Complications	0	0	0	0	-

¹13 had missing data (7 in antegrade and 6 in retrograde).