CRP and chronic kidney disease: Inflammatory markers were markedly elevated in CKD+ patients, including interleukin-6 (median 49.3 vs. 23.6 pg/mL, p = 0.003), C-reactive protein (85.3 vs. 48.1 mg/L, p = 0.05), neutrophil-to-lymphocyte ratio (9 vs. 5, p < 0.0001), procalcitonin (0.19 vs. 0.08 μg/L, p = 0.008), and D-dimer levels (1173 vs. 604 ng/mL, p = 0.006).