Reference Values
| Transit parameter | Value |
| Esophageal transit time | <15 s |
| Esophageal percentage emptying | >83% |
| Liquid-only half-time | <25 min |
| Liquid with solid half-time | <74 min |
| Liquid 1-h percentage emptying | >40% |
| Liquid 2-h percentage emptying | >78% |
| Solid 1-h percentage emptying | >10% |
| Solid 2-h percentage emptying | >40% |
| Solid 4-h percentage emptying | >90% |
| Solid rapid transit (1 h) | >70% |
| SBTI (6 h) | >50% |
| Colon percentage emptying (24 h) | >14% |
| Colon rapid transit (24 h) | >40% |
| Colon percentage emptying (48 h) | >41% |
| Colon percentage emptying (72 h) | >67% |