At final review , the mean Knee Society ( KS ) knee scores ( 95.8 versus 96.9 ) , Western Ontario and McMaster Universities ( WOMAC ) osteoarthritis ( OA ) index ( 25.4 versus 25.9 ) , range of motion ( ROM ) ( 125 versus 128 ) , patient satisfaction ( 8.1 versus 8.3 ) and radiological results were similar in both groups .