Table 1. Clinical characteristics of patients receiving single balloon enteroscopy.
| Characteristics | Total SBE (n = 200) | Anterograde SBE (n = 101) | Retrograde SBE (n = 99) | P value |
|---|---|---|---|---|
| N (%) | N (%) | N (%) | ||
| Age ± SD, years | 58.22 ± 20.69 | 60.42 ± 20.27 | 55.98 ± 19.95 | 0.130 |
| Sex (M, %) | 101 (50.5) | 54 (53.5) | 47 (47.5) | 0.397 |
| BMI | 22.94 ± 3.29 | 22.81 ± 3.29 | 23.08 ± 3.31 | 0.607 |
| Indications | ||||
| OGIB | 125 (62.5) | 65 (64.4) | 60 (60.6) | 0.584 |
| Unexplained abdominal pain | 25 (12.5) | 13 (12.9) | 12 (12.1) | 0.873 |
| IBD | 9 (4.5) | 3 (3.0) | 6 (6.1) | 0.292 |
| Chronic diarrhea | 6 (3.0) | 0 (0.0) | 6 (6.1) | 0.012 |
| Intestinal obstruction | 7 (3.5) | 5 (5.0) | 2 (2.0) | 0.260 |
| Small intestinal tumor | 17 (8.5) | 7 (6.9) | 10 (10.1) | 0.422 |
| Image abnormality | 6 (3.0) | 4 (4.0) | 2 (2.0) | 0.421 |
| Others | 5 (2.5) | 4 (4.0) | 1 (1.0) | 0.181 |
| Diagnostic rate | 122 (61.0) | 70 (69.3) | 52 (52.5) | 0.715 |
| Intervention rate | 41 (20.5) | 24 (23.8) | 17 (17.2) | 0.482 |
| Total approach time (mean ± SD, min) | 72.4 ± 26.2 | 68.1 ± 23.9 | 76.8 ± 27.7 | 0.018 |
SBD: single balloon enteroscopy; SD: standard deviation; BMI: body mass index; OGIB: obscure gastrointestinal bleeding; and IBD: inflammatory bowel disease