Table 2: Mean difference in signal intensity of either renal parenchyma/cortex of main renal artery compared to PH (db ± SD) using CE-US or B-US across all four studies.

Author & Year

B-US mean difference in signal intensity of renal parenchyma/cortex (dB ± SD)

CE-US mean difference in signal intensity of renal parenchyma/cortex (dB ± SD)

CE-US mean difference in signal intensity of main renal artery (dB ± SD)

Grzelak et al., 2013 [7]

5.7 (±3.2)

31.4 (±4.4)

-

Fischer et al., 2005 [8]

-

9.2 (±3.8)

15.3 (±6.3)

Fischer et al., 2006 [9]

-

9.5 (±3.6)

15.9 (±6)

Grzelak et al., 2012 [6]

5.0 (±3.2)

31 (±4.4)

-