Table 5.

Diagnosis of deepness invasion of endometrial cancers by preoperative MRI (n = 91)

	Cervical invasion (n = 91)	Myometrial invasion ≥50 % (n = 91)	Lymph node invasion (n = 52)
Sensitivity (%) [95 % CI]	23.1 [8.2–50.3]	73.7 [58.0–85.0]	71.4 [35.9–91.8]
Specificity (%) [95 % CI]	100 [95.3–100]	88.0 [76.2–94.4]	80.0 [66.2–89.1]
PPV (%) [95 % CI]	100 [43.8–100]	82.4 [66.5–91.7]	35.7 [16.3–61.2]
NPV (%) [95 % CI]	88.6 [80.3–93.7]	81.5 [69.2–89.6]	94.7 [82.7–98.5]
+LR [95 % CI]	NA	6.1 [2.8–13.3]	3.6 [1.7–7.6]
-LR [95 % CI]	NA	0.3 [0.2–0.5]	0.4 [0.1–1.6]
Overestimation (%)	0	6.8	17.3
Accuracy rate (%)	89.1	81.8	78.8
Underestimation (%)	10.9	11.4	3.8

PPV positive predictive value, NPV negative predictive value, +LR positive likelihood ratio, −LR negative likelihood ratio, NA not applicable