Midterm Results of a New Rotating Hinge Knee Implant: A 5-Year Follow-Up

Table 2

Preoperative and 5-year postoperative outcome parameters.

	Preoperative	5-year postoperative	value
WOMAC score (SD)	6.26 (0.27)	2.45 (0.29)	p < 0.001
Primary	6.4 (0.37)	2.04 (0.38)
Revision	6.13 (0.40)	2.84 (0.42)
Oxford Knee Score (SD)	15 (1)	31 (1)	p < 0.001
Primary	15 (2)	34 (2)
Revision	15 (2)	29 (2)
KSS clinical (SD)	25 (3)	89 (2)	p < 0.001
Primary	15 (3)	92 (4)
Revision	35 (4)	87 (3)
KSS function (SD)	25 (3)	58 (4)	p < 0.001
Primary	23 (4)	60 (6)
Revision	28 (4)	56 (5)
ROM (SD)	72 (5)	115 (2)	p < 0.001
Primary	85 (4)	116 (3)
Revision	60 (8)	114 (3)