Single-center experience with Knee+™ augmented reality navigation system in primary total knee arthroplasty

Table 1 Descriptive statistics of the expected, controlled, and radiographic values from measurements in femur and tibia

	The 25th percentile	Median	The 75th percentile	Mean	SD
Femur
Varus
Expected values	0	0	0	0.2	0.4
Controlled values	0	0	1	0.4	0.6
Radiographic measures	0	0	0	0.2	0.4
Flexion
Expected values	6	6	7	6.2	0.9
Controlled values	5	6	7	6.1	1
Radiographic measures	5	6	6	5.8	0.7
Tibia
Varus
Expected values	0	0	0	0.1	0.3
Controlled values	0	0	1	0.3	0.5
Radiographic measures	0	0	0	0	0
Posterior slope
Expected values	5	5	6	5.4	1
Controlled values	5	5.5	6	5.7	0.9
Radiographic measures	5	5	6	5.4	0.8