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Table 1 Normal values for kidney length pole to pole, cortical and parenchymal width, classified according to the side of the kidney

From: Normal kidney size and its influencing factors - a 64-slice MDCT study of 1.040 asymptomatic patients

  Side Mean Median SD p (Wilcoxon test)
Kidney length right 108.5 108 12.2 <0.0001
  left 111.3 111 12.6  
Parenchymal width right 15.4 15.4 2.8 <0.0001
  left 15.8 15.8 2.7  
Cortical width right 6.6 6.5 1.9 >0.05 (ns)
  left 6.6 6.5 2.0  
Width (axial planes) right 51.3 50.8 7.8 <0.0001
  left 53.3 52.9 8.2  
Length (axial planes) right 57.7 57.4 8.0 <0.0001
  left 53.6 52.9 8.2  
Width of the pyelon right 18.5 17.6 6.2 <0.0001
  left 19.9 19.1 6.3  
Position of the midpoint of the renal pelvis right 2.2 2.2 0.7 <0.0001
  left 2.1 2.1 0.6  
Position of the upper pole of the right kidney right 0.6 0.6 0.8 <0.0001
  left 0.4 0.5 0.9  
Rotation status in sagittal planes (upper pole versus lower pole in relation to a reference coronal plane) right 25.8 25.3 11.1 >0.05 (ns)
  left 24.3 11.0 23.8  
Rotation status of the renal pelvis in the axial plane, in relation to the reference sagittal median plane right 60.3 58.4 18.1 <0.0001
  left 53.5 49.0 22.5  
Parenchym/pyelon ratio right 0.9 0.9 0.4 >0.05 (ns)
  left 0.9 0.8 0.5  
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