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Table 3 Diagnosis of type 2 endometrial cancers by preoperative endometrial sample (n = 91)

From: Are preoperative histology and MRI useful for classification of endometrial cancer risk?

  Cornier® Pipelle (n = 47) Curettage with hysteroscopy (n = 44) Both types of sampling (n = 91)
Sensitivity (%) [95 % CI] 60.0 [23.1–88.2] 66.7 [30.0–90.3] 63.6 [35.4–84.8]
Specificity (%) [95 % CI] 97.6 [87.7–99.6] 92.1 [79.2–97.3] 95.0 [87.8–98.0]
PPV (%) [95 % CI] 75.0 [30.1–95.4] 57.1 [25.0–84.2] 63.6 [35.4–84.8]
NPV (%) [95 % CI] 95.3 [84.5–98.7] 94.6 [82.3–98.5] 95.0 [87.8–98.0]
+LR [95 % CI] 25.2 [3.2–198.6] 8.4 [2.5–28.7] 12.7 [4.4–36.5]
-LR [95 % CI] 0.4 [0.14–1.2] 0.4 [0.1–1.1] 0.4 [0.1–0.8]
Overestimation (%) 2.1 * 11.4* 6.6
Accuracy rate (%) 93.6* 84.1* 89.0
Underestimation (%) 4.3* 4.5* 4.4
  1. PPV positive predictive value, NPV negative predictive value, +LR positive likelihood ratio, −LR negative likelihood ratio
  2. *There was no significant difference between the pipelle group and the curettage group (p = 0.259)