Table 2 The planned, postoperative and accuracy outcomes in 3D and 2D. (MPTA, medial proximal tibial angle mTFA, mechanical tibiofemoral angle; MPTS, medial posterior tibial slope)

MPTA (°), mean ± SD [range]

3D| 91.9° ± 2.6 [84.1–95.7]

3D| 91.1° ± 2.3 [85.1–95.9]

0.04

-0.8° ± 1.0 [-3.0 to 1.9]

1.1° ± 0.7 [0.1–3.0°]

2D| -

2D| 91.5° ± 1.7 [86.6–95.13]

-

-

-

mTFA (°), mean ± SD [range]

3D| 181.9° ± 2.0 [178.3–184.8]

3D| 181.1° ± 1.8 [176.1–183.2]

n.s

-0.8° ± 1.0 [-3.0 to 1.9]

1.0° ± 0.8 [0.1–3.0°]

2D| -

2D| 181.0° ± 1.8 [176.6–183.3]

-

-

-

MPTS (°), mean ± SD [range]

3D| 94.1° ± 3.0 [88.6–102.4]

3D| 94.6° ± 3.6 [88.2–104.3]

n.s

0.5° ± 1.6 [-3.2–5.1°]

1.2° ± 1.2 [0.1–5.1°]