Influence of femoral implant design modification on anterior knee pain and patellar crepitus in patients who underwent total knee arthroplasty without patella resurfacing

Table 3 Incidence of anterior knee pain, and patellar crepitus between the two groups

Measure	Control Group	Study Group	p value
Anterior knee pain
3-m Postoperatively	12 (13.3%)	4 (4.7%)	0.048^a
1-y Postoperatively	12 (13.3%)	3 (3.5%)	0.021^a
Patellar creptius
3-m Postoperatively	31 (34.4%)	13 (15.3%)	0.004^a
1-y Postoperatively	26 (28.9%)	9 (10.6%)	0.002^a
During which of the following actions do you feel pain?
Rest	0	0
Walking on flat	0	0
Ascending and descending stairs	8	3
Squatting	12	2

ISSN: 1471-2474