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Insights into Imaging

Table 3 Comparison of HU values and single kidney iodine (mg)

From: Persistent CT nephrograms following cardiac catheterisation and intervention: initial observations

Parameters compared

Correlation coefficient

P value

RK total I vs

 Cortex HU

0.7

<0.0001

 Medullary HU

0.22

0.25

LK total I vs

 Cortex HU

0.62

0.0005

 Medullary HU

0.31

0.11

RK vs LK

 Cortex HU

0.86

<0.0001

 Medullary HU

0.75

<0.0001

RK vs LK total iodine

0.98

<0.0001

  1. RK right kidney, LK left kidney
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