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Table 3 Comparison between HV and control groups for functional performance and muscle strength (mean ± SD)

From: Foot pain and functional limitation in healthy adults with hallux valgus: a cross-sectional study

 

HV group (n = 30)

Control group (n = 30)

Mean difference (95% CI)

Walking tests (sec)

Timed 10m walk

4.95±0.69

4.99±0.59

−0.04 (−0.37 to 0.29)

Stair ascent

3.88±0.41

3.77±0.41

0.11 (−0.11 to 0.32)

Stair descent

3.58±0.45

3.46±0.44

0.12 (−0.11 to 0.35)

Postural sway (COP range, cm)

AP sway, both feet eyes open

1.91±0.82

1.90±0.62

0.0 (−0.37 to 0.38)

ML sway, both feet eyes open

1.50±0.65

1.35±0.40

0.15 (−0.13 to 0.43)

AP sway, both feet eyes closed

2.13±1.4

2.08±0.97

0.05 (−0.58 to 0.68)

ML sway, both feet eyes closed

1.78±0.68

1.44±0.46

0.34 (0.04 to 0.63)*

AP sway, foam eyes open

3.06±1.2

2.78±0.82

0.28 (−0.26 to 0.82)

ML sway, foam eyes open

3.63±1.1

3.43±0.91

0.20 (−0.33 to 0.73)

AP sway, foam eyes closed

5.94±3.3

4.87±1.4

1.1 (−0.24 to 2.4)

ML sway, foam eyes closed

7.80±2.9

6.61±1.8

1.2 (−0.06 to 2.4)

AP sway, single leg stance†

3.44±1.2

2.97±0.85

0.47 (−0.07 to 1.0)

ML sway, single leg stance†

5.54±2.8

4.56±1.4

0.98 (−0.16 to 2.1)

Muscle strength (N)

Plantarflexion strength

66.9±29.0

104.0±40.7

−37.1 (−55.4 to −18.8)**

Abduction strength

9.9±7.7

19.7±13.9

−9.8 (−15.6 to −4.0)**

  1. Abbreviations: HV = hallux valgus; CI = confidence interval; COP = centre of pressure; AP = anteroposterior; ML = mediolateral.
  2. * P < 0.05.
  3. ** P < 0.001.
  4. † Two excluded trials (< 30 sec) in HV group; therefore analysis was based on n = 58.