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Table 3 Diagnostic performance of MRI in diagnosis OGCTs according to two reading protocols

From: MR findings of primary ovarian granulosa cell tumor with focus on the differentiation with other ovarian sex cord-stromal tumors

Protocol

SEN (%)

SPE (%)

PPV (%)

NPV (%)

ACC (%)

Conventional MRI

85.0(17/20)

[63.9–95.0]

94.0(32/34)

[81.0–98.0]

89.5(17/19)

[68.6–97.1]

91.4(32/35)

[77.6–97.0]

90.7(49/54)

[80.1–95.9]

Conventional MRI plus ADC value

95.0(19/20)

[76.4–99.1]

94.1%(32/34)

[80.9–98.4]

90.5(19/21)

[71.1–97.4]

96.9(32/33)

[84.7–99.5]

94.4(51/54)

[84.9–98.1]

  1. Numbers in parentheses are the data used to calculate the percentages; Numbers in brackets are 95% confidence intervals; Conventional MRI includes T1WI, T2WI, contrast-enhanced MRI and DWI