Table 1. Sample comparison of gastric and small bowel transit times from studies using video capsule endoscopy fasting protocol 5 7 9 10 11 12 16 17 18 .
| Study | Subject | GTT (minutes) | SBTT (minutes) | Capsule Endoscopy Indication | % in colon |
| Current data | n = 71 | Median (IQR): 22 (10–48) |
Median (IQR) 198.5 (157–240.5) |
Healthy control | Incomplete eliminated |
| Prichard et al | n = 59 | Median (IQR): 25 (14–55) |
Median (IQR): 222 (151–287) |
Gastrointestinal bleed/diarrhea/IBD | 97 % |
| Hejazi et al | n = 139 | Median (IQR): 20 (12–36) |
Median (IQR): 216 (150–294) |
IDA/gastrointestinal bleed | 82.3 % |
| Diaz Tartera et al | n = 70 | Median: 26 |
Median: 236 |
IDA/FOB + | Incomplete eliminated |
| Ou et al | n = 62 | Median: 19.43 |
Median 232.52 |
IBD/gastrointestinal bleed | 88.71 % |
| Pioche et al | n = 73 (2 VCE systems) |
Mean (range): Pillcam SB2 system: 37.8 (16–203) Mirocam system: 47.9 (3–232) |
Mean (range): Pillcam SB2 system: 234.5 (51–502) Mirocam system: 268.1 (58–538) |
Unexplained blood loss | 77 % |
| Velayos Jiménez et al | n = 89 | Mean (range): 22.6 (0.7 to 171) |
Mean (range): 283.3 (91 to 416) |
Undefined | Retrospective |
| Malagelada et al | n = 70 | Mean (± SE): 41 (± 5) |
Mean (± SE): 218 ± 12 |
Healthy controls in comparison to functional bowel symptoms | 74 % |
| Urgesi et al | n = 30 (coeliac) n = 30 (control) |
Mean (± SD): celiac disease: 30.4 ± 21.9 Control: 43.6 ± 48.8 |
Mean (± SD): celiac disease: 252.2 ± 67.4 Control: 244.7 ± 88.4 |
Celiac disease/gastrointestinal bleed/IDA | Retrospective |
| Fireman et al | n = 40 | Mean: 45.5 |
Mean: 218 |
IDA/pain/IBD | 82.1 % |
VCE: video capsule endoscopy, GTT: gastric transit time, SBTT: small bowel transit time, IQR: interquartile range, IBD: inflammatory bowel disease, FOB: faecal occult blood, SE: standard error, IDA: iron deficiency anaemia, SD: standard deviation.