Table 1.

Variables analyzed

Patient clinical variables*	Radiographic variables*	Surgical variables†
Gender	Preoperative alignment	Previous knee surgeries
Age	Postoperative alignment	Tibial component size
Height	Preoperative patellar tendon length	Femoral component size
Body weight	Postoperative patellar tendon length	Polyethylene thickness
Body mass index	Preoperative Insall-Salvati ratio	Patellar component size
Preoperative knee motion	Postoperative Insall-Salvati ratio	Patellar component shape
Postoperative knee motion	Femoral component flexion	Lateral release required
	Posterior femoral offset	Polyethylene bearing type
	Posterior tibial slope
	Posterior tibial offset
	Anterior tibial offset
	Preoperative patellar thickness
	Postoperative patellar thickness
	composite patellar thickness
	Patellar tilt
	Joint line

* Patient clinical and radiographic variables were treated as continuous variables; ^†surgical variables were treated as categorical variables.