Table 2 Post-operative outcome measures of patient group at the 12-month follow-up, expressed as mean with standard deviation and range

Oxford knee score at the 12 month follow-up

42.8 ± 4.32

Range 25–48

Post-operative coronal mechanical alignment (°)

Varus 0.69 ± 1.39

Range − 7–6

Post-operative extension (°)

0.28 ± 3.55

Range 0–10

Post-operative flexion (°)

116.5 ± 7.35

Range 85–130

Patients with residual flexion contracture ≥ 5 ° (%)

3.1%