99mTc-MAA in Diagnosis of Gastric Shunting
| Subgroup | Sensitivity (%) | Specificity (%) | Positive predictive value (%) | Negative predictive value (%) |
| 1 | 12 (95% CI, 3–31) | 98 (95% CI, 89–99) | 67 (95% CI, 30–95) | 68 (95% CI, 58–79) |
| 2 | 28 (95% CI, 8–64) | 100 (95% CI, 87–100) | 100 (95% CI, 34–100) | 93 (95% CI, 85–97) |
CI = confidence interval.