Table 3.

Comparison of clinical results between groups of octogenarians who underwent primary or revision total knee arthroplasty

		Primary	Revision	p value
WOMAC score	Preoperative	64.2 ± 11.2 (45–80)	61.2 ± 12.3 (44–85)	0.142
	Postoperative	33.1 ± 11.2 (11–58)	47.2 ± 21.1 (10–70)	< 0.001
Range of motion (degrees)	Preoperative	119.2 ± 19.9 (50–140)	104.9 ± 29.7 (60–140)	0.005
	Postoperative	128.9 ± 12.1 (110–145)	113.6 ± 24.1 (80–145)	< 0.001

Data are presented as the mean ± standard deviation (range)

WOMAC Western Ontario and McMaster Universities Osteoarthritis Index