Accuracy of Patient Specific Cutting Blocks in Total Knee Arthroplasty

Table 2

Differences between pre- and postoperative values (note that negative prefix means a varus angulation and positive prefix a valgus angulation).

Variable	Mean	Min	Max	STD
HKA	2.61	−20.1	19.2	8.95
TS	−1.76	−8.2	9.0	2.85
DFA	1.21	−9.2	9.1	3.73
PTA	2.07	−13.0	15.2	4.97