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Table 7 Comparison of postoperative radiographic and functional outcomes among five knee phenotypes after the KA-TKA

From: Total knee arthroplasty according to the original knee phenotypes with kinematic alignment surgical technique—early clinical and functional outcomes

Parameters Knee Phenotype P value
1 2 3 4 5
HKAA (° ± S.D) −0.8 ± 1.58 1.2 ± 2.11 4.4 ± 2.58 5.6 ± 2.97 −2.9 ± 2.80 < 0.001
LDFA (° ± S.D) 87.0 ± 1.05 85.9 ± 1.84 88.3 ± 1.48 90.0 ± 1.72 86.7 ± 1.94 < 0.001
MPTA (° ± S.D) 88.2 ± 1.03 85.3 ± 2.18 84.6 ± 2.22 84.7 ± 1.91 89.1 ± 1.90 < 0.001
KAA (° ± S.D) −5.45 ± 2.21 −4.43 ± 2.50 −4.35 ± 2.45 −3.92 ± 2.75 −6.61 ± 1.90 0.03
TJLA (° ± S.D) 1.44 ± 1.74 1.22 ± 1.58 1.31 ± 1.06 1.29 ± 1.24 −2.20 ± 3.30 < 0.001
OKS (Points ± S.D) 45.4 ± 2.19 44.6 ± 2.57 43.7 ± 3.73 44.3 ± 3.13 43.1 ± 3.06 0.570
CKSS (Points ± S.D) 176.8 ± 18.02 172.7 ± 13.23 170.6 ± 16.57 173.9 ± 11.27 171.3 ± 13.85 0.809
ROM (° ± S.D) 122.4 ± 3.85 117.6 ± 10.67 119.5 ± 8.35 120.5 ± 8.75 116.4 ± 9.62 0.529