Table 1.

Biopsy parameters

Kidney, % left91.0
Depth, cm5.4±0.8 (2–11)
Patient position, %
 Prone99.8
 Lateral decubitus0.2
Ultrasound guidance, %
 Prebiopsy93.1
 Real time6.9
Timing, %
 End inspiration51.0
 End expiration43.8
 None or not indicated5.2
Operator, %
 Trainee89.8
 Faculty only10.2