Table 5.

Radiological outcome in both groups after TKA

		Index*	Control*	Significance
Alignmenta		5.0° (-4 – 14)	6.0° (-4 – 9)	NS
Femoral componentb		2.0° (-3 – 8)	2.0° (-5 – 8)	NS
Tibial componentc		7.0° (0 – 12)	12.0° (2 – 20)	p = 0.026
Insall – Salvati ratio		1.25 (0.90 – 1.79)	1.10 (0.90 – 1.46)	NS
Looseningd	Femoral (mm)	N = 1 (3)	N = 2 (2 + 3)	NS
	Tibial (mm)	0	N = 1 (9)	NS
	Patella (mm)	0	0	NS

* The values are given as the median (range)

- Negative value indicates varus alignment

^a Femorotibial angle (FTA)

^b Flexion angle femoral component

^c Posterior inclination tibial component

^d Loosening according to the Knee Society Roentgenographic Evaluation System