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Table 2 Variations in the spatial location of screws

From: Reoperation rate and implants’ position variation features of displaced femoral neck fractures with sliding compression or length-stable fixation in young and middle-aged population

 

sliding compression screws

(n = 82)

length-stable screws(n = 80)

P value

screw withdrawal distance(mm)

3.75 ± 3.49

2.77 ± 2.34

0.036

rotation angle (°)

1.47 ± 1.46

2.02 ± 1.92

0.042