Materials and Methods:
The files of 182 patients who underwent single-access PCNL for staghorn renal stones between 2012 and 2017 were retrospectively analyzed. The patients were divided into two groups according to their age: those aged<65 years were defined as Group-1 and those aged≄65 years as Group-2. The demographic characteristics and perioperative and postoperative results were compared between the two groups.