All patients (815 patients, 839 feet)

Sex

-                      Male:

-                      463 patients (60.5%, 463 of 765 patients)

-                      Female:

-                      302 patients (39.5%, 302 of 765 patients)

-                      Not reported:

-                      50 patients

Laterality

-                      Left:

-                      67 patients (40.6%, 67 of 165 patients)

-                      Right:

-                      74 patients (44.8%, 74 of 165 patients)

-                      Bilateral:

-                      24 patients (14.5%, 24 of 165 patients)

-                      Not reported:

-                      650 patients

Diabetes

-                      Diabetes diagnosis:

-                      9 patients (7.4%, 9 of 121 patients)

-                      Not reported:

-                      694 patients

Tobacco

-                      Tobacco use:

-                      48 patients (17.7%, 48 of 271 patients)

-                      Not reported:

-                      544 patients

Age

-                      Age:

-                      47.3 years (28.7-56.0; SD: 7.3)

-                      Not reported:

-                      77 patients