Skip to main content

Table 2. Preoperative and postoperative radiographic and clinical data. Presented as mean (confidence intervals)

From: Should sagittal osteotomy line be parallel to tibial posterior slope in high tibial osteotomy?

p-value

Preoperation

2 years after surgery

aFTA (°)

< 0.001a

181.6 (180.8 to 182.5)

168.5 (167.8 to 169.2)

WBL ratio (%)

< 0.001b

14.7 (11.3 to 18.2)

69.8 (66.6 to 73.0)

TPS (°)

0.002a

11.9 (11.0 to 12.7)

12.6 (11.7 to 13.5)

aLDFA (°)

0.289a

81.3 (80.7 to 81.9)

81.1 (80.6 to 81.6)

JLCA (°)

< 0.001a

4.6 (4.2 to 5.0)

3.6 (3.2 to 4.0)

aMPTA (°)

< 0.001b

85.3 (84.3 to 86.2)

95.1 (94.0 to 96.3)

Arc of motion (°)

0.037b

125 (122 to 128)

128 (125 to 131)

AKS knee score (point)

< 0.001b

51 (49 to 53)

86 (85 to 88)

AKS function score (point)

< 0.001b

72 (69 to 75)

97 (96 to 99)

Lysholm score (point)

< 0.001b

47 (44 to 50)

89 (87 to 91)

  1. aFTA anatomical femorotibial angle, WBL weightbearing line, TPS tibial posterior slope, aLDFA anatomical lateral distal femoral agle, JLCA joint line convergence angle, aMPTA anatomical medial proximal tibial angle, AKS American Knee Society
  2. at-test
  3. bWilcoxon test