Bleeding complications after percutaneous kidney biopsies – nationwide experience from Brunei Darussalam

Table 1 Characteristics of study cohort (continuous variables)

Variables	N = 255	Missing
Mean age in years	35.5 ± 14.3
Mean weight (kg)	72.3 ± 20.1	21
Mean hemoglobin (g/dL)	11.5 ± 2.6	1
Mean platelet (× 109/L)	300 ± 108.3	1
Median creatinine (µmol/L)	158 (80-381)
Median urea (mmol/L)	9.4 (5.5-15.8)
Mean albumin (g/L)	30.1 ± 9.1
Median cholesterol (mmol/L)	5.6 (4.6-8.2)	13
Median urine protein: Creatinine ratio (mg/mmol)	598 (239-1119)	20
Median 24hr urine total protein (g/day)	4.2 (1.7-7.8)	103
Mean complement C3 (g/L)	1 ± 0.4	43
Mean complement C4 (g/L)	0.28 ± 0.14	44
Mean size of biopsied kidney (cm)	11 ± 1.4	40