Parameter;"Mean ± SD
              1";Range;
"IIEF score";;;
"Group 1";1.000±0.000;1–1;
"Group 2";9.389±1.975;7–13;
"Group 3";9.074±1.639;6–13;
"Group 4";10.250±1.571;8–13;
"Group 5";8.750±2.006;6–12;