Accuracy of Patient Specific Cutting Blocks in Total Knee Arthroplasty

Table 5

Proportion of patients within the different margins of error for the coronal alignment parameter PTA.

Variable	Time point	Deviation	Proportion of patients in norm	95% Wilcoxon CI
PTA	Before	1	17.7%	[0.12, 0.26]
	After	1	56.6%	[0.47, 0.65]
	Before	2	31.9%	[0.24, 0.41]
	After	2	82.3%	[0.74, 0.88]
	Before	3	44.2%	[0.35, 0.53]
	After	3	92.0%	[0.86, 0.96]
	Before	4	57.5%	[0.48, 0.66]
	After	4	98.2%	[0.94, 1.00]