Age at surgery (years), mean (SD)

68.7 (5.4)

     Gender, n (%)

            Male

8 (72.7)

            Female

3 (27.3)

    Body Mass Index (BMI) (kg/m²), mean (SD)

32.1 (5.6)

American Society of Anaesthesiologists (ASA) classification, n (%)

                   1

1 (9.1)

                   2

7 (63.6)

                   3

3 (27.3)

    Diagnosis, n (%)

        Primary osteoarthrosis

7 (63.6)

        Secondary osteoarthrosis

1 (9.1)

        Post-traumatic osteoarthrosis

3 (27.3)

    Previous ankle surgery (on side of TAR), n (%)

       Triple arthrodesis

10 (90.9)

       Ankle fracture treatment

1 (9.1%)

       Dwyer osteotomy

1 (7.1%)

        Arthroscopy

1 (7.1%)

    Operative side, n (%)

         Left

7 (63.6)

         Right

4 (36.4)

   Follow-up (months), mean (SD)

10.8 (4.2)