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Table 3 Comparison of MR quantitative parameters between the patellar cartilage lesions group and control group

From: The SP-ET index is a new index for assessing the vertical position of patella

 

SP-ET index

Insall–Salvati ratio

Patellar cartilage lesions group

0.933 ± 0.115

1.100 ± 0.145

Control group

0.802 ± 0.108

1.004 ± 0.086

t value

8.227

5.709

P value

< 0.001

< 0.001