Insall-Salvati index


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Insall-Salvati index

A radiographical measure used to identify patella alta. The length of the patellar tendon is divided by the length of the patella. Values greater than 1.2 denote patella alta.
References in periodicals archive ?
In the literature, there have been numerous studies addressing into the Insall-Salvati index and its relationship with chondromalacia patellae.
Mean values of patellar maltracking parameters in the study and the control groups Study group (n=50) Control group (n=50) Mean [+ or -]SD Mean [+ or -]SD Trochlear depth (mm) 3.2 [+ or -]1.1 4.6 [+ or -]1.3 Trochlear sulcus angle 148.2 [+ or -]10.9 134.6 [+ or -]8.6 Lateral patellofemoral angle 9.3 [+ or -]3.7 11.1 [+ or -]4.0 Patellar translation 2.8 [+ or -]1.4 2.8 [+ or -]1.4 Insall-Salvati index 1.4 [+ or -]0.2 1.1 [+ or -]0.2 p Trochlear depth (mm) 0.001 Trochlear sulcus angle 0.001 Lateral patellofemoral angle 0.01 Patellar translation 0.957 Insall-Salvati index 0.001 SD: Standard deviation.