question: Compared to failure group what was the result of Extracorporeal Shock Wave Lithotripsy (ESWL) in group A, stone size ≤10 mm; - success group on The mean stone size?
context: The mean stone size in the success and failure groups, respectively, was 5.9±1.27 mm vs. 7.5±1.43 mm in group A (p<0.001) and 12.2±2.15 mm vs. 19.1±4.15 mm in group B (p<0.001).