Difference in the anterior displacement of the tibial tuberosity relative to the proximal tibial fragment between opening wedge and closed wedge high tibial osteotomies

Open Access

Table 1

Demographic data

	OWHTO	CWHTO	P value
	(n = 50)	(n = 50)
Male/female	17/33	14/36	0.527
Age (year)^*	65.6 ± 9.6	66.7 ± 9.2	0.538
FTA (°)^*	181.4 ± 2.75	187.2 ± 3.23	< 0.001
Radiographic classification^a: Grade 1/2/3/4/5	0/11/28/11/0	0/4/25/21/0	0.038

The values are given as mean ± standard deviation.

OA grade modified from Ahlbäck classification.

OWHTO: opening wedge high tibial osteotomy, CWHTO: closed wedge high tibial osteotomy, FTA: femoral tibial angle.

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