Table 4 Comparison between the postoperative posterior tibial slopes measured on the 3D models where the posteriorly inclined osteotomy and pairwise comparison.

Posterior tibial slope^a		0°	− 5°	− 10°	− 15°	− 20°	− 25°	− 30°	p value^b
Posterior tibial slope^a		8.9 ± 3.3	8.7 ± 3.3	8.4 ± 3.4	8.2 ± 3.4	7.7 ± 3.4	7.3 ± 3.4	6.9 ± 3.3	< 0.001
Pairwise Comparison^c	0°		> 0.999	0.002	< 0.001	< 0.001	< 0.001	< 0.001	–
	− 5°	> 0.999		0.001	< 0.001	< 0.001	< 0.001	< 0.001	–
	− 10°	0.002	0.001		0.019	< 0.001	< 0.001	< 0.001	–
	− 15°	< 0.001	< 0.001	0.019		< 0.001	< 0.001	< 0.001	–
	− 20°	< 0.001	< 0.001	< 0.001	< 0.001		< 0.001	< 0.001	–
	− 25°	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001		< 0.001	–
	− 30°	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001		–

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