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Aim: The aim of the study was to evaluate possible factors predicting stone-free status at retrograde intrarenal surgery for renal stones.Materials and Methods: A retrospective multicenter study was performed using data from 513 patients treated between February 2016 and January 2020 at four referral centers in Turkey. The patients were divided into two groups whether they had no residual stone over 3 mm (Group 1) or had residual stones (Group 2). Pre and peroperative parameters were compared in both groups (Table 1). Univariate and multivariate analyzes were performed to identify any factors affecting the stone-free rate (Table 2).Results: Overall stone-free rate was 88.5% (454/513). Lower calyx stones and multipl stones were significantly higher in Group 2 (p=0.006, p=0.02, respectively). Also access sheathless procedure rate was significantly higher and the basket catheter useage rate was significantly lower in Group 2 (p=0.04, p

The prognostic importance of platelet–lymphocyte ratio (PLR) is already known for various artery diseases. In this study, the relationship between PLR and severity of erectile dysfunction (ED) is examined in patients with impotence. The data from patients suffering from erection problems was screened retrospectively. Detailed medical history, age, International Index of Erectile Function-5 (IIEF-5) scores, fasting blood glucose, lipid, whole blood count, and hormone profile values were examined. Patients with no ED were selected as the control group. All men answered the IIEF-5 questions and were then classified according to their scores. Patients were determined to have severe ED (scores 5–7), moderate ED (scores 8–16), or mild ED (scores 17–21). An IIEF-5 score greater than 21 was accepted for the control group. The PLR values from both patient and control groups were evaluated. Demographic data were similar in both groups. Mean PLR value was 104 in control and 118 in the patient group (p