Table 2.

Regression analysis model summary with IKDC score as the dependent variable.

Model	R2	Adjusted R2	F	P Value
1a	.321	.269	6.139	<.001
2b	.566	.524	13.314	<.001
3c	.662	.622	16.330	<.001
4d	.693	.649	15.777	<.001
5e	.717	.670	15.221	<.001

^aIKDC, International Knee Documentation Committee; TSK, Tampa Scale of Kinesiophobia.

^bPredictors: (constant), time from surgery, injury to surgery, age, gender.

^cPredictors: (constant), time from surgery, injury to surgery, age, gender, pain.

^dPredictors: (constant), time from surgery, injury to surgery, age, gender, pain, quad index.

^ePredictors: (constant), time from surgery, injury to surgery, age, gender, pain, quad index, TSK.

^fPredictors: (constant), time from surgery, injury to surgery, age, gender, pain, quad index, TSK, flexion motion deficit.