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Table 2 MRI measurements of the TT-TG and PT-PCL distances

From: The relationship between patellar lateralization diagnostic imaging markers and non-contact internal knee derangements

 Control (n = 63)IKD (n = 78)p value*
TT-TG distance (mm)  < 0.001
 Mean (SD)8.3 (2.94)11.5 (4.07) 
Subgroup TT-TG distance (mm)   
 Meniscal tears (n = 51) 10.9 (3.29)0.001
 Cruciate ligament tear (n = 12) 12.2 (4.13)0.004
 Both meniscal and cruciate ligament tears (n = 15) 13.0 (5.90)< 0.001
PT-PCL distance (mm)  < 0.001
 Mean (SD)18.2 (4.22)20.6 (3.94) 
Subgroup PT-PCL distance (mm)   
 Meniscal tear (n = 51) 20.0 (3.67)0.069
 Cruciate ligament tear (n = 12) 21.5 (3.37)0.044
 Both meniscal and cruciate ligament tears (n = 15) 21.7 (5.01)0.014
  1. *p value for mean TT-TG comparison via independent sample Student’s t test. p values for individual subgrouped mean comparisons to control via Tukey HSD tests