CRP and decubitus ulcer: SUSI was not related to gender, age, duration or level of injury, duration of catheterization, having UTI or hospitalization within the previous year, antibiotic use within the last 3 months, presence of decubitus ulcers, presence of stones, increased CRP levels, presence of pyuria, nitrite positivity, presence of trabeculations, or renal parenchymal changes observed at USG.