Table 4 Diagnosis of grade 3 endometrial cancers, among endometrioid-type cancers, by preoperative endometrial sample (n = 74)
From: Are preoperative histology and MRI useful for classification of endometrial cancer risk?
Cornier® Pipelle (n = 41) | Curettage with hysteroscopy (n = 33) | Both types of sampling (n = 74) | |
|---|---|---|---|
Sensitivity (%) [95 % CI] | 28.6 [8.2–64.1] | 33.3 [6.1–79.2] | 30.0 [10.8–60.3] |
Specificity (%) [95 % CI] | 97.1 [85.1–99.5] | 100 [88.6–100] | 98.4 [91.7–99.7] |
PPV (%) [95 % CI] | 66.7 [20.8–93.9] | 100 [20.7–100] | 75.0 [30.1–95.4] |
NPV(%) [95 % CI] | 86.8 [72.7–94.2] | 93.7 [79.9–98.3] | 90.0 [80.8–95.1] |
+LR [95 % CI] | 9.7 [1.0–92.9] | NA | 19.2 [2.2–166.9] |
-LR [95 % CI] | 0.7 [0.5–1.2] | NA | 0.7 [0.4–1.1] |
Overestimation (%) | 2.4* | 0.0* | 1.3 |
Accuracy rate (%) | 85.4* | 93.9* | 89.2 |
Underestimation (%) | 12.2* | 6.1* | 9.5 |