Table 1. Pearson’s correlation coefficient analysis of various lesions in Oxford classification system and C4d deposition in various compartments of renal biopsies .

Statistical analysis	r
Ma v/s C4d mesangial	- 0.100
Eb v/s C4d segmental capillaries	0.439
E v/s C4d global capillaries	0.255
Sc v/s C4d segmental capillaries	0.153
S v/s C4d global capillaries	0.243
Td v/s C4d segmental capillaries	- 0.116
T v/s C4d global capillaries	0.514
T v/s C4d tubular epithelium	0.225
M+E v/s C4d mesangial + segmental + global capillaries	0.187
M+E v/s C4d PTCe	- 0.039
T v/s E	0.413

^aMesangial proliferation; ^bEndocapillary hypercellularity; ^cSegmental sclerosis; ^dTubular atrophy/interstitial fibrosis; ^ePeritubular capillaries.