Changes in Coronal Alignment of the Knee Joint after Supramalleolar Osteotomy

Table 2

Changes and significance in radiologic parameters of pre- and postoperative ankle, knee, and lower limb alignment.

	Preoperative	Postoperative	Change (post-pre)	value
	or median (IQR)
Ankle
LDTA				<0.001
Talar tilt angle	2 (1.1, 3.2)	1.8 (1.1, 2.9)	-0.6 (-1.4, 0.6)	0.1214
Tibiotalar angle		89.5 (87.4, 93.4)	-4.1 (-9.1, -0.4)	<0.001
Knee
MPTA	88.1 (87.0, 89.3)	88.85 (87.1, 89.5)	0 (-0.2, 0.5)	0.3542
mJSW				0.1203
lJSW			0.06 (-0.59, 0.78)	0.2665
JLCA	1.5 (0.8, 2.1)		0.2 (-0.2, 0.4)	0.0444
Mechanical axis
HKA angle		176.8 (175.7, 177.8)	0.5 (0.2, 1.3)	<0.001
MADA			-0.7 (-1, -0.1)	<0.001

IQR: interquartile range; HKA: hip-knee-ankle; JLCA: joint line convergence angle; lJSW: lateral joint space widths; MADA: mechanical axis deviation; mJSW: medial joint space widths; MPTA: medial proximal tibial angle.