Table 2.

Frequency of complications following the renal biopsy and comparison between the various studies

Complications	Al Rashid et al. (N = 120) 1990[10](%)	Chesney et al. (N = 75) 1996[12](%)	Nammalwar et al. (N = 250) 2006[7](%)	Current study (N = 67) 2007(%)
Minor complications
Microscopic hematuria	70	——	82 (32.8)	30 (44)
Major complications
Gross hematuria	32 (26.7)	4 (5.3)	42 (16.8)	3 (4)
Perirenal hematoma	19 (15.1)	1 (1.2)	15 (6)	5 (7)
RB site infection	——	1 (1.2)	2 (0.8)	0
Failed biopsy	17 (14.5)	3 (4)	12 (4.8)	3 (4)
Hypertension	3 (2.5)	——	——	0
Arteriovenous fistula	2 (1.7)	——	——	0
Hemodynamic instability	——	——	——	2 (3)
Death	1 (0.8)	——	0	0
Organ loss	1 (1.5)	——	1 (0.4)	0
Blood transfusion	5 (5.2)	——	——	1 (1.5)

^——= Not described in the study