Table 2 Quantitative characteristics of retroperitoneal extra-adrenal paragangliomas.

From: MR imaging features of benign retroperitoneal extra-adrenal paragangliomas

Parameter

Reader 1

Reader 2

P value

Tumor maximum size (cm)

5.61 ± 2.11

5.70 ± 2.10

0.875

Diameter ratio (TD/LD)

0.878 ± 0.145

0.855 ± 0.144

0.585

Mean ADC value (×10−3 mm2/s)

1.541 ± 0.425

1.565 ± 0.425

0.849

  1. Note: Values are mean values ± standard deviations. P values were calculated using t tests.
  2. Diameter ratio = Mean TD (transverse diameter)/Mean LD (longitudinal diameter).
  3. ADC: Apparent Diffusion Coefficient.
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