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Table 5 Cutoff, sensitivity, specificity, positive likelihood ratio (LR+), negative likelihood ratio (LR–) of RMI I, RMI II, RMI III and RMI IV in BOT, SBOT and MBOT group. The 95% confidence intervals (95% CI) are indicated between brackets

From: Diagnostic extended usefulness of RMI: comparison of four risk of malignancy index in preoperative differentiation of borderline ovarian tumors and benign ovarian tumors

  Index Cutoff Sensitivity, % Specificity, % LR+ LR-
BOT RMI I 60 63.58(55.7–71.0) 87.6(83.9–90.7) 5.13(3.8–6.9) 0.42(0.3–0.5)
RMI II 59.7 69.75(62.1–76.7) 76.78(72.2–80.9) 3(2.4–3.7) 0.39(0.3–0.5)
RMI III 60 63.58(55.7–71.0) 80.74(76.4–84.6) 3.3(2.6–4.2) 0.45(0.4–0.6)
RMI IV 92 67.28(59.5–74.4) 78.1(73.6–82.2) 3.07(2.5–3.8) 0.42(0.3–0.5)
SBOT RMI I 60 67.26(57.8–75.8) 87.6(83.9–90.7) 5.42(4.0–7.3) 0.37(0.3–0.5)
RMI II 59.7 74.34(65.3–82.1) 76.78(72.2–80.9) 3.2(2.6–4.0) 0.33(0.2–0.5)
RMI III 60 67.26(57.8–75.8) 80.74(76.4–84.6) 3.49(2.7–4.5) 0.41(0.3–0.5)
RMI IV 91.8 70.8(61.5–79.0) 78.1(73.6–82.2) 3.23(2.6–4.0) 0.37(0.3–0.5)
MBOT RMI I 60 55.1(40.2–69.3) 87.6(83.9–90.7) 4.44(3.1–6.4) 0.51(0.4–0.7)
RMI II 61 59.18(44.2–73.0) 77.57(73.0–81.7) 2.64(2.0–3.6) 0.53(0.4–0.7)
RMI III 61 55.1(40.2–69.3) 81(76.7–84.8) 2.9(2.1–4.0) 0.55(0.4–0.8)
RMI IV 92 59.18(44.2–73.0) 78.1(73.6–82.2) 2.7(2.0–3.6) 0.52(0.4–0.7)