From: Safety and tissue yield for percutaneous native kidney biopsy according to practitioner and ultrasound technique
Group I (n = 271)
Group II (n = 170)
Group III (n = 217)
Number of glomeruli
26 ± 17
29 ± 17
20 ± 12a
Failure to diagnosis
5 (1.8)
1 (0.6)
2 (0.9)