Femoral Valgus Correction Angle for the Intramedullary Alignment Rod Is Strongly Associated with Femoral Lateral Bowing in Japanese Patients with Varus Knee Osteoarthritis Undergoing Total Knee Arthroplasty

Table 4

Categorisation of the VCA for the IM rod according to the FBA.

FBA (^o)	n (%)	VCA for the IM rod (^o)	value
FBA ≤ 3	4 (1.3)	3.3 ± 1.3	<0.001
−3 ≤ FBA ≤ 3	149 (48.9)	5.0 ± 1.0
3 < FBA ≤ 6	89 (29.2)	6.1 ± 1.1
6 < FBA	63 (20.7)	7.9 ± 1.3

VCA for the IM rod: femoral valgus correction angle for the intramedullary alignment rod, FBA: femoral lateral bowing angle.