Different behaviour of BK-virus infection in liver transplant recipients

Table 1 Summary of studies evaluating the prevalence of BK virus infection among liver transplant recipients n (%)

Ref.	Organ	n	Study Design	Viruria	Viremia
Splendiani et al[50]	Liver	37	Single-centre prospective analysis	5 (13.5)	1 (2.7)
	Kidney	81		11 (13.6)	7 (8.6)
		Total 118
Muñoz et al[51]	Liver	64	Prospective prevalence study	5 (7.8)	0 (0)
	Kidney	49		13 (26.5)	6 (12.2)
	Heart	43		11 (25.6)	3 (7.0)
		Total 156
Randhawa et al[52]	Liver	44	Cross-sectional study	7 (15.9)	0 (0)
	Kidney	103		36 (34.9)	8 (7.7)
		Total 147
Razonable et al[53]	Liver	121	Longitudinal surveillance study	No urine analysis	5 (4.1)
	Kidney	92			24 (26.1)
	Heart	45			3 (6.7)
	Kidney-pancreas	5			0 (0)
		Total 263
Barton et al[54]	Liver	8	Prospective, single-centre, cross-sectional study	0 (0)	0 (0)
	Heart	2		1 (50.0)	0 (0)
	Lung	23		4 (17.4)	0 (0)
	Heart-lung	1		0 (0)	0 (0)
		Total 34
Puliyanda et al[37]	Liver	37	Single centre, prospective study	No urine analysis	1 (2.7)
	Kidney	173			7 (4.0)
	Kidney-liver	5			1 (20.0)
	Heart	24			0 (0)
	Kidney-heart	11			1 (9.1)
	Kidney-pancreas	3			0 (0)
	Kidney-heart-liver	1			0 (0)
		Total 254
Doucette et al[49]	Liver	25	Single centre, prospective longitudinal study	3 (12)	0 (0)
	Heart	7		1 (14.3)	0 (0)
	Lung	28		5 (17.8)	0 (0)
		Total 60
Salama et al[55]	Liver	41 Total 41	Cross-sectional point prevalence study	10 (24.4)	0 (0)
Loeches et al[56]	Liver	62 Total 62	Prospective longitudinal study	13 (21.0)	11 (18.0)
Mitterhofer et al[34]	Liver	20 Total 20	Single-centre prospective study	1 (5.0)	1 (5.0)
Mitterhofer et al[57]	Liver plus	9	Single-centre prospective study	1 (11.1)	5 (55.5)
	CKD	22		5 (23.0)	3 (13.6)
	Liver no CKD	Total 31

CKD: Chronic kidney disease.