Early Results of a New Rotating Hinge Knee Implant

Table 2

Outcome parameter total and in primary and revision cases.

	Preoperative	3 months	12 months	24 months
WOMAC (mean; STD)	4.9; 2.1	1.9; 1.6	1.7; 1.9	1.6; 1.7
Primary (mean; STD)	4.5; 2.0	1.6; 1.4	1.3; 1.5	1.2; 1.2
Revision (mean; STD)	5.3; 2.1	2.3; 1.8	2.3; 2.3	2.3; 2.0
Oxford Knee Score (mean; STD)	19.1; 8.1	33.0; 8.2	34.6; 9.0	35.8; 8.7
Primary (mean; STD)	20.4; 7.8	34.9; 7.8	36.4; 8.2	39.4; 6.1
Revision (mean; STD)	17.2; 8.3	29.9; 8.1	31.7; 10.0	30.4; 9.7
KSS clinical (mean; STD)	26.1; 16.0	84.0; 14.6	85.2; 14.6	89.0; 14.7
Primary (mean; STD)	22.5; 14.3	86.0; 13.7	87.7; 12.7	94.1; 8.0
Revision (mean; STD)	31.5; 17.0	80.7; 15.5	80.9; 16.5	81.4; 18.9
KSS function (mean; STD)	38.6; 23.8	57.8; 23.2	64.8; 20.3	65.6; 21.3
Primary (mean; STD)	43.1; 24.3	61.2; 22.5	66.5; 19.7	72.1; 14.0
Revision (mean; STD)	32.2; 21.8	52.3; 23.6	61.9; 21.1	56.0; 26.4
ROM (mean; STD)	94.4; 32.3	110.1; 14.0	114.2; 12.2	119.0; 11.5
Primary (mean; STD)	103.3; 21.2	112.8; 11.2	115.7; 11.4	120.3; 9.1
Revision (mean; STD)	81.2; 40.7	105.8; 17.0	111.4; 12.9	117.2; 14.3