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Table 1 Evaluation parameters

From: Effect on inclined medial proximal tibial articulation for varus alignment in advanced knee osteoarthritis

 

Non-WB condition

WB condition

Δ parameters

Comparison between non-WB and WB conditions

Mean

95% CI

Mean

95% CI

Mean

95% CI

p value

MCT angle (°)

78.3

76.9–79.7

87.6

86.6–88.5

9.3

8.0–10.5

<  0.0001*

FTA (°)

185.4

184.5–186.3

188.1

187.0–189.2

2.7

2.1–3.3

<  0.0001*

M-L femoral location (mm)

5.7

5.0–6.4

8.0

7.1–8.8

2.3

1.5–3.0

<  0.0001*

WB line passing point (%)

99.4

90.6–108.2

124.6

114.0–135.2

25.2

20.6–29.8

<  0.0001*

Tibial position (°)

96.0

95.5–96.6

98.0

97.3–98.7

2.0

1.6–2.4

<  0.0001*

Femoral position (°)

93.7

93.0–94.4

94.3

93.6–95.0

0.6

0.3–0.9

<  0.0001*

  1. MCT = medial compartment in the proximal tibia, WB = weight-bearing, Δ difference = difference in each parameter between non-WB and WB conditions, tibial position = the relative angle of WB line to x-axis in the tibial coordinate system, femoral position = the relative angle of WB line to a surgical epicondylar axis, 95%CI = 95% confidence interval; *Significant difference = p <  0.01