Fig. 2From: Impact of patellar height on unicompartment knee arthroplasty: does patella baja lead to an inferior outcome?a Pre-operative Insall-Salvati ratio: a normal result, as measured by b/a, is 0. (Same as case in Fig. 1). b A post-operative Insall-Salvati ratio, as measured by b/a, is 0.79 and is normalBack to article page