Table 4.

Biomarker concentration in renal transplant recipients with IgA nephropathy as underlying disease leading to TX

	Biomarker concentration, median [IQR]
	Baseline (n = 159)		6 months (n = 158)		12 months (n = 155)
	R group (n = 42)	NR group (n = 117)	R group (n = 42)	NR group (n = 116)	R group (n = 40)	NR group (n = 115)
Total IgA (mg/ml)	1.97 [1.53, 2.87]	2.31 [1.75, 3.33]	1.82 [1.36, 2.26]	2.13 [1.39, 2.8]	1.86 [1.26, 2.7]	2.1 [1.5, 2.86]
Total IgG (mg/ml)	7.96 [5.46, 10.48]	7.48 [5.88, 9.85]	6.66 [5.3, 8.6]	6.6 [5.4, 8.29]	7.04 [5.89, 8.28]	7.43 [6.06, 9.11]
Gd-IgA1 (OD)	0.46 [0.42, 0.49]	0.46 [0.41, 0.5]	0.46 [0.4, 0.49]	0.46 [0.43, 0.5]	0.46 [0.43, 0.49]	0.47 [0.41, 0.5]
IgA – IgG IC (OD)	0.91 [0.8, 1.03]	0.88 [0.76, 0.99]	0.84 [0.76, 0.99]	0.8 [0.69, 0.92]	0.87 [0.77, 0.98]	0.85 [0.71, 0.97]

Abbreviations:TX transplantation, IgAN IgA nephropathy, IQR interquartile range, R recurrence, NR non-recurrence, OD optical density