Renal Transplant Pathology: Demographic Features and Histopathological Analysis of the Causes of Graft Dysfunction

Table 1

Frequency of different etiologies (Banff category-wise) of graft dysfunction amongst the 163 cases and the mean time of development of each pathology (in months).

Banff category	Etiology	Number of cases	Mean time between transplant and diagnosis (months ± SD)
Category 1	Unremarkable	0	—
Category 2	ABMR-active	33	7.1 ± 4.7
	ABMR-chronic	16	17 ± 10.4
Category 3	Borderline TCR	1	6.8
Category 4	TCMR-Acute	1	5.5
	TCMR-Chronic	3	22 ± 13.2
Category 5	IFTA	15	35 ± 7.8
Category 6: others (recurrence)	Crescent GN	1	24
	Membranous GN	6	23 ± 8.2
	IgA	9	26 ± 7.5
	FSGS	15	9 ± 6.1
	SLE	3	21 ± 6.0
	MPGN	10	24 ± 11.7
Category 6: others	PVN	1	30
	Cortical infarction and TMA	5	8 ± 5.9
	Tubular interstitial nephritis	7	12 ± 2.3
	CNI-toxicity	15	34 ± 4.7
	De-novo diabetic nephropathy	4	57 ± 14.5
	Acute tubular necrosis	12	6 ± 2.2
	PTLD	3	24 ± 8.6
	De novo GN	3	14 ± 12.2