IL6 and bacterial urinary tract infection: Before the introduction of the antibiotic therapy in UTI patients serum inflammation markers such as: hsCRP (91.3 ± 86.5 mg/dl), PCT (3.7 ± 15.3 ng/ml) and IL-6 (66.8 ± 81.6 pg/ml) were all significantly higher than in healthy patients (3.5 ± 2.3 mg/dl, 0.06 ± 0.02 ng/ml and 3.1 ± 1.6 pg/ml, respectively, p < 0.05 for all comparisons.