Secondary Patellar Resurfacing after Primary Bicondylar Knee Arthroplasty did Not Meet Patients’ Expectations

Table 1: Stratified Patient Satisfaction and Post-Operative Results

	Bicondylar Implants						Rotating Hinge Implants						Hinged Implants						Total
Indication	AKP			AF			AKP			AF			AKP			AF			AKP			AF
	I	W	U	I	W	U	I	W	U	I	W	U	I	W	U	I	W	U	I	W	U	I	W	U
Patient satisfaction	10	-	5	-	-	3	8	-	9	5	-	5	1	-	-	-	-	-	19	-	13	5	-	8
PO VAS	12	1	2	1	1	1	9	2	6	7	1	2	1	-	-	-	-	-	22^*	3	8	8^*	2	3
PO ROM	9	4	2	1	2	-	9	5	3	6	3	1	1	-	-	-	-	-	19^**	9	5	7^**	5	1

PO – post-operative; AKP – anterior knee pain; AF – arthrofibrosis; I – improved; W – worsened; U – unchanged

^* p < 0,05

^** p > 0,05.