Table 5.
The impact of MRI on the individual staging parameters (95%CI)
| AUC (95%CI) | Sensitivity (95%CI) | Specificity (95%CI) | PPV (95%CI) | NPV (95%CI) | |
|---|---|---|---|---|---|
| Maximal tumor diameter | |||||
| Without MRI | 0.58 (0.55–0.62) | 21.0% (14.9–28.2) | 95.9% (94.4–97.2) | 48.5% (36.2–61.0) | 86.9%(84.6–89.0) |
| With MRI | 0.81 (0.78–0.83) | 65.0% (57.0–72.4) | 96.5% (95.1–97.6) | 77.3% (69.2–84.1) | 93.8% (92.0–95.3) |
| Vaginal invasion | |||||
| Without MRI | 0.61 (0.58–0.64) | 48.7% (32.4–65.2) | 72.9% (70.0–75.6) | 6.7% (4.1–10.3) | 97.3% (95.8–98.3) |
| With MRI | 0.57 (0.54–0.60) | 25.6% (13.0–42.1) | 88.4% (86.3–90.4) | 8.1% (4.0–14.4) | 96.8% (95.4–97.8) |
| Parametrium infiltration | |||||
| MRI | 0.56 (0.53–0.59) | 16.7% (4.7–37.4) | 95.3% (93.8–96.5) | 7.8% (2.2–18.9) | 97.9% (96.8–98.7) |
Abbreviations: MRI, magnetic resonance imaging; PPV, positive predictive value; NPV, negative predictive value.