Bohler’s angle’s role in assessing the injury severity and functional outcome of internal fixation for displaced intra-articular calcaneal fractures: a retrospective study

Table 3 The correlation between the four subjective variables of American Orthopaedic Foot & Ankle Society scores and the postoperative Böhler’s angle, difference value of Böhler’s angle between bilateral calcaneus or change in Böhler’s angle by ratio

Correlation		rs-value	P-Value
Pain	Böhler’s angle	0.259	0.003
	The difference value of Böhler’s angle between bilateral calcaneus	0.153	0.084
	The change in Böhler’s angle by ratio	0.169	0.052
Activity limitation	Böhler’s angle	0.058	0.513
	The difference value of Böhler’s angle between bilateral calcaneus	0.013	0.882
	The change in Böhler’s angle by ratio	0.020	0.827
Walking distance	Böhler’s angle	0.177	0.045
	The difference value of Böhler’s angle between bilateral calcaneus	0.084	0.342
	The change in Böhler’s angle by ratio	0.128	0.152
Walking surface	Böhler’s angle	0.196	0.027
	The difference value of Böhler’s angle between bilateral calcaneus	0.061	0.491
	The change in Böhler’s angle by ratio	0.092	0.302

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