GPT and chronic kidney disease: C-reactive protein was significantly higher in CKD patients [2.5 (1.1–6.0) vs. 1.4 (0.5–3.3) in CKD and kidney donors, respectively, P < 0.05), while alanine aminotransferase was significantly lower in CKD patients compared to kidney donors [16 (13–23) vs. 21 (18–30) in CKD and kidney donors respectively, P < 0.05].