Research Article

Can Replacing CA125 with HE4 in Risk of Malignancy Indices 1–4 Improve Diagnostic Performance in the Presurgical Assessment of Adnexal Tumors?

Table 10

Diagnostic performance of modified risk of malignancy indices (mRMI) 1–4 in patients with adnexal masses.

Group of patients mRMI variantDiagnostic performance of RMI
Sensitivity
(95% CI)
Specificity
(95% CI)
PPV
(95% CI)
NPV
(95% CI)
LR+
(95% CI)
LR−
(95% CI)
Diagnostic accuracy
(95% CI)

Entire study sample mRMI 184.6%
(74.8–94.4%)
85%
(80.6–89.3%)
53%
(42.2–63.7%)
96.5%
(94.1–98.8%)
5.6
(4.1–7.7)
0.1
(0.09–0.3)
84.9%
(80.9–88.9%)
mRMI 284.6%
(74.8–94.4%)
84.6%
(80.2–89%)
52.3%
(41.7–63%)
96.4%
(94.1–98.8%)
5.5
(4–7.4)
0.1
(0.09–0.3)
84.6%
(80.6–88.6%)
mRMI 384.6%
(74.8–94.4%)
84.6%
(80.2–89%)
52.3%
(41.7–63%)
96.4%
(94.1–98.8%)
5.5
(4–7.4)
0.1
(0.09–0.3)
84.6%
(80.6–88.6%)
mRMI 486.5%
(77.2–95.8%)
86.5%
(82.3–90.6%)
56.2%
(45.3–67.1%)
96.9%
(94.7–99.1%)
6.4
(4.6–8.9)
0.1
(0.07–0.3)
86.5%
(82.7–90.3%)

Premenopausal patientsmRMI 172.7%
(46.4–99%)
72.2%
(65.8–78.7%)
13.5%
(4.8–22.2%)
97.7%
(95.3–100%)
2.6
(1.7–4)
0.3
(0.1–0,9)
72.3%
(66–78.5%)
mRMI 281.8%
(59–100%)
82%
(76.5–87.6%)
21.4%
(9–33.8%)
98.6%
(96.8–100%)
4.5
(3–6.9)
0.2
(0.06–0.7)
82%
(76.6–87.4%)
mRMI 381.8%
(59–100%)
82%
(76.5–87.6%)
21.4%
(9–33.8%)
98.6%
(96.8–100%)
4.5
(3–6.9)
0.2
(0.06–0.7)
82%
(76.6–87.4%)
mRMI 481.8%
(59–100%)
81.5%
(75.9–87.1%)
20.9%
(8.7–33%)
98.6%
(96.8–100%)
4.4
(2.9–6.6)
0.2
(0.06–0.7)
81.5%
(76–86.9%)

Postmenopausal patientsmRMI 185.3%
(74.5–96.1%)
84.2%
(76–92.4%)
74.4%
(62–86.9%)
91.4%
(84.8–97.9%)
5.4
(3.1–9.2)
0.1
(0.08–0.3)
84.6%
(78–91.1%)
mRMI 285.3%
(74.5–96.1%)
84.2%
(76–92.4%)
74.4%
(62–86.9%)
91.4%
(84.8–97.9%)
5.4
(3.1–9.2)
0.1
(0.08–0.3)
84.6%
(78–91.1%)
mRMI 385.3%
(74.5–96.1%)
85.5%
(77.6–93.4%)
76%
(63.7–88.4%)
91.5%
(85–98%)
5.8
(3.3–10.3)
0.1
(0.08–0.3)
85.4%
(79–91.8%)
mRMI 482.9%
(71.4–94.4%)
82.8%
(74.4–91.3%)
72.3%
(59.5–85.1%)
90%
(82.9–97%)
4.8
(2.8–8.1)
0.2
(0.1–0.4)
82.9%
(76–89.7%)

Modified RMIs (mRMIs) were obtained by replacing CA125 with HE4 in the classical RMI. Data are shown with 95% confidence intervals (CIs). PPV: positive predictive value; NPV: negative predictive value; LR+: positive likelihood ratio; LR−: negative likelihood ratio.