Table 2 Radiological and functional outcomes of all c- TKA and r-TKA at sixth month follow-up. (mean ± SD, range)

HKAA(°)

 Preoperative

174.60 ± 9.15(161.31-204.56)

173.49 ± 9.22(141-192.81)

 Postoperative

179.73 ± 3.76(172.10-188.90)

180.53 ± 2.91(173.30-188.32)

 δ-HKAA

8.40 ± 6.10(0.12–32.46)

9.02 ± 6.34(1.34–35.22)

 HKAA-outlier(± 3°, n)

19/27

7/33

FVVA (°)

96.13 ± 2.65(90.27-101.52)

96.38 ± 2.23(90.98-100.95)

TVVA (°)

88.74 ± 2.03(83.75–92.74)

89.43 ± 1.83(85.32–94.15)

TVVA-outlier(± 3°, n)

8/38

5/35

PTSA(°)

5.39 ± 3.07(-0.59-12.58)

2.13 ± 3.39(-6.78-9.47)

PTSA-outlier(± 3°, n)

37/9

23/17

FSA(°)

2.76 ± 3.20(-3.36-11.08)

5.21 ± 4.71(-2.49-16.54)

PCOR

0.50 ± 0.05(0.38–0.60)

0.50 ± 0.04(0.41–0.61)

ISI

1.24 ± 0.20(0.7–1.65)

1.27 ± 0.20(0.86–1.77)

HSS

92.50 ± 2.38(85–96)

93.25 ± 2.12(89–97)

VAS

0.54 ± 0.72(0–2)

0.25 ± 0.04(0–1)

Range of motion

 Flexion

113.91 ± 9.71(100–135)

118.63 ± 9.20(105–140)

 Extension

1.52 ± 2.32(0–5)

2.00 ± 2.48(0–5)