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Table 5 The comparison of horizon distance and vertical distance of hip rotation center on pelvis plain radiograph between post-operation and the last follow up (\( \overline{x} \) ± S) (n = 35)

From: Mid-term and long-term results of restoring rotation center in revision hip arthroplasty

 

Post-operation

The last follow-up

t

P

Horizon distance (mm)

32.93 ± 1.47

32.33 ± 2.05

1.15

0.093

Vertical distance (mm)

15.24 ± 1.31

17.67 ± 1.66

1.86

0.062