Research Article

A Prediction Modeling Based on the Hospital for Special Surgery (HSS) Knee Score for Poor Postoperative Functional Prognosis of Elderly Patients with Patellar Fractures

Table 2

Radiologic outcomes at six months postoperatively.

Radiologic outcomesGood prognosisBad prognosis value

Insall-Salvati index0.141
Blackburne-Peel index0.272
Congruence angle (degree)0.483
Lateral patellofemoral angle (degree)0.327

Statistically significant difference ().