Do Platelet to Lymphocyte Ratio and Neutrophil to Lymphocyte Ratio Predict the Hardness of Kidney Stone

Objective: The Hounsfield unit (HU) is the most common value to assess stone formation and a predictive factor for management success. In this study, it was aimed investigate prediction of hardness using systemic inflammatory response markers. Methods: 192 patients (61 female 131 male) who underwent conventional percutaneous nephrolithotomy (PCNL) between 2015 2020 were reviewed retrospectively. Patients with malignancy history preoperative urinary tract infection excluded from study. Patients’ neutrophil lymphocyte ratio (NLR), platelet (PLR) HU kidney Stone, which obtained NCCT, recorded data. Results: mean age 47.2 ± 14.11 (11-82) years. average patients’ stones 1135.47 362.19 (348-2096). location grouped as pelvis (n:64, 33.3%), single calyx (n:14, 7.2%), two calyces (n:93, 48.4%) staghorn (n:21, 10.9%). subgroup analysis, when divided by location, negative correlation found N/L in calyceal group, positive stones. Among these correlations, only pelvic group statistically significant (r=0.318, p=0.03). Assuming an arbitrary cut-off below 1000, there no NLR (r=0.266, p=0.171). However, above (r=0.145, p=0.045). Conclusion: findings suggest that could be used biomarker choose appropriate helpful anticipate predicting value.