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Table 6 Comparison of results for static posturography obtained in the one-leg standing position in the THR and control groups (Student’s t-testa and Mann-Whitney test)

From: Does total hip replacement impact on postural stability?

  

1O vs. 1C

1 N vs. 1C

variable

group

mean (SD)

min - max

median

p

mean (SD)

min - max

median

p

Y (mm/s)

THR control

26.25 (11.49)

14.0–55.9

24.1

0.355

22.56 (7.86)

12.9–42.0

21.1

0.869

22.89 (9.52)

10.5–50.4

21.7

22.89 (9.52)

10.5–50.4

21.7

X (mm/s)

THR control

29.26 (9.43)

13.7–49.6

28.5

0.267a

29.88 (9.20)

17.2–57.6

28.2

0.213

26.61 (7.11)

12.9–40.4

26.0

26.61 (7.11)

12.9–40.4

26.0

spectrum Y (Hz)

THR control

1.093 (0.332)

0.565–1.943

1.041

0.386a

1.072 (0.224)

0.672–1.474

1.056

0.148a

1.163 (0.225)

0.762–1.750

1.182

1.163 (0.225)

0.762–1.750

1.182

spectrum Y (mm)

THR control

1.753 (0.342)

1.208–2.512

1.710

0.767a

1.796 (0.285)

1.298–2.394

1.751

0.405a

1.724 (0.328)

0.990–2.715

1.684

1.724 (0.328)

0.990–2.715

1.684

spectrum X (Hz)

THR control

0.990 (0.211)

0.509–1.315

0.971

0.987a

0.980 (0.224)

0.415–1.523

0.969

0.838a

0.990 (0.142)

0.688–1.321

1.001

0.990 (0.142)

0.688–1.321

1.001

spectrum X (mm)

THR control

1.105 (0.204)

0.753–1.556

1.086

0.134a

1.129 (0.289)

0.702–2.058

1.042

0.126

0.996 (0.280)

0.554–1.570

0.999

0.996 (0.280)

0.554–1.570

0.999