Patients with higher scores in the variable tubular atrophy/interstitial fibrosis grade showed higher serum levels of TNF-α [T2:10.60 (8.25–12.85) pg/mL vs. T1: 9.20 (8.00–10.20) pg/mL vs. T0: 8.20 (6.70–10.05) pg/mL, overall P = 0.001]. Here, TNF is linked to Atrophy.