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Table 2 Size of the kidneys, parenchymal width and resistance indices (RI) of multiple myeloma patients with normal (group 1) and impaired (group 2) renal function

From: Determination of intrarenal resistance index (RI) in patients with multiple myeloma

  Group 1 Group 2 p-value
Length right kidney (cm) 10.5 ± 0.9 10.1 ± 1.6 n.s.
Length left kidney (cm) 10.9 ± 1.1 10.5 ± 1.4 n.s.
Paren. width, right (cm) 1.7 ± 0.2 1.5 ± 0.3 n.s.
Paren. width, left (cm) 1.6 ± 0.2 1.5 ± 0.3 n.s.
Hyperechogenicity (n/%) 4 (24%) 9 (60%) < 0.01
RI right kidney 0.67 ± 0.06 0.71 ± 0.08 0.06
RI left kidney 0.69 ± 0.06 0.71 ± 0.07 0.15