Relationship between the location of the popliteal artery and the tibial osteotomy plane in patients with medial and lateral unicompartmental knee arthroplasty: A retrospective analysis of preoperative magnetic resonance imaging and intraoperative findings

Open Access

Table 2

Evaluation of the positional relationships between the popliteal artery and tibial cut plane.

	Group M	Group L	P value
Percentage of PA located behind the osteotomy plane*	2/41 knees (4.9%)	6/9 knees (66.7%)	P < 0.001
The Distance 1**	12.6 (4.3) mm	7.9 (3.7) mm	P = 0.004
The Distance 2**	11.1 (4.9) mm	2.6 (3.5) mm	P < 0.001

Data are expressed as mean (standard deviation).

Comparison between groups using Fisher’s exact test.

^**

Comparison between groups using t-test.

PA, popliteal artery.

The Distance 1, the shortest distance between the posterior tibial cortex and the PA within the osteotomy area.

The Distance 2, the shortest distance between the line extending the osteotomy posteriorly and the PA.

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