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Table 4

Radiological results at the last follow up (SD = standard deviation).

Studies Radiological assessment Kinematic alignment
Mechanical alignment
p-value
Mean (SD) (range) Mean (SD) (range)
Dossett et al. [18] HKA −0.1 (2.8) (−8.5 to 7.7) 0.1 (2.5) (−4.9 to 8.9) 0.818
AKA 3.5 (2.3) (0.1 to 9.5) 2.9 (2.3) (−1.2 to 8.0) 0.233
JLOA 2.0 (2.0) (−3.1 to 6.6) 0.1 (2.7) (−4.1 to 8.4) <0.001
FMA 1.3 (2.0) (−2.4 to 6.5) −0.8 (2.7) (−5.8 to 6.3) <0.001
TMA −2.2 (2.6) (−8.7 to 4.4) 0.0 (2.1) (−6.4 to 3.8) <0.001
Yeo et al. [39] HKA 0.1 (2.0) −0.3 (1.7) n.s
FMA 1.7 (1.9) −0.5 (0.4) 0.04
TMA −2.5 (1.7) 0.1 (0.4) 0.03
TS −7.5 (2.8) −6.4 (1.0) n.s
Laende et al. [40] HKA −2.3 (2.6) −2.1 (2.1) 0.75
MPTA −3.3 (2.0) −0.8 (1.7) <0.001
McEwen et al. [41] HKA −1.0 (2.4) (−6.0 to 3.9) −0.2 (2.1) (−4.5 to 5) 0.097
FMA 1.8 (2.0) (−2.5 to 5.5) −0.1 (0.6) (−1.5 to 1) <0.001
TMA −2.5 (1.3) (−5.5 to 0.5) −0.3 (0.4) (−1 to 0.5) <0.001
TS 3.1 (1.8) (−0.5 to 7.5) 3.2 (1.8) (−0.5 to 7.5) 0.713
JLOA −0.9 (2.6) (−6.4 to 4.9) 0.8 (2.1) (−5.2 to 5.2) 0.002
JLCA 0.7 (0.7) (0.0 to 3.3) 0.9 (0.6) (0 to 2.2) 0.141
PTA 5.7 (5.8) (−2.9 to 20.1) 4.4 (4.9) (−6 to 14.8) 0.278
Young et al. [38] HKA −0.4 (3) (−11 to 6) −0.7 (2) (−5 to 4) 0.6
FMA 2 (2.5) (−4 to 6) 0.5 (1.6) (−3 to 4) 0.002
TMA −3 (3) (−10 to 4) −0.7 (1.8) (−6 to 2) <0.001
TS −4 (2.5) (−10 to 2) −1.3 (2) (−7 to 3) <0.001

HKA: Hip-Knee-Ankle angle, AKA: Anatomic Knee Angle, JLOA: Joint Line Orientation Angle, FMA: Femoral component relative to Mechanical Axis, TMA: Tibial component relative to Mechanical Axis, TS: Tibial Slope, MPTA: Medial Proximal Tibial Angle, JLCA: Joint Line Convergence Angle, PTA: Patellar Tilt Angle.

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