Accuracy of Patient Specific Cutting Blocks in Total Knee Arthroplasty

Table 1

Summary of the minimum, maximum, mean, and standard deviation of the tested variables (note that negative prefix means a varus angulation and positive prefix a valgus angulation).

Variable	Time point	Mean	Min	Max	STD
HKA	Before	−2.8	−22.5	19.7	9.7
	After	−0.2	−9.6	5.8	2.6
TS	Before	4.6	−9.0	10.5	2.8
	After	2.9	−4.3	9.0	2.0
DFA	Before	88.6	80.0	97.3	3.6
	After	89.8	86.4	96.0	1.7
PTA	Before	87.8	76.7	101.0	4.8
	After	89.9	84.3	93.8	1.7