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Table 1 Characteristics of HV and control groups with comparison of SF-36v2® subscales and physical activity levels (mean ± SD, unless otherwise stated)

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)

Subject characteristics

Men/Women (n)

5/25

5/25

NA

Age (years)

44.5±15.2

44.2±15.3

0.3 (−7.6 to 8.2)

BMI (kg/m2)

24.2±3.4

24.7±4.2

−0.5 (−2.5 to 1.5)

HV angle (°)†

29.1±7.8

9.8±3.5

19.3 (16.2 to 22.4)**

First MTPJ OA (n (right/left))

1 (1/1)

2 (2/1)

NA

SF-36v2® (score range 0 – 100)

Physical functioning

86.6±19.3

93.2±9.7

−6.6 (−14.5 to 1.3)

Role-physical

87.5±17.9

93.3±13.7

−5.8 (−14.1 to 2.4)

Role-emotional

93.1±11.4

93.9±11.1

−0.83 (−6.7 to 5.0)

Bodily pain

75.0±18.8

81.8±14.0

−6.8 (−15.4 to 1.8)

Vitality

59.4±17.3

67.1±12.2

−7.7 (−15.6 to 0.11)

Mental health

79.7±10.8

83.5±11.0

−3.9 (−9.5 to 1.8)

Social functioning

91.3±12.8

89.2±15.3

2.1 (−5.2 to 9.4)

General health

78.5±17.2

78.8±13.1

−0.3 (−8.2 to 7.6)

Physical activity (score range 1 – 5)

Work

2.62±0.33

2.45±0.32

0.17 (0.0 to 0.34)*

Sport

2.92±0.94

2.23±0.65

0.69 (0.28 to 1.1)*

Leisure

2.87±0.63

2.88±0.55

−0.01 (−0.32 to 0.30)

  1. Abbreviations: HV = hallux valgus; CI = confidence interval; BMI = body mass index; MTPJ = metatarsophalangeal joint; OA = osteoarthritis; SF-36v2® = Short Form 36 Health Survey, version 2.
  2. * P < 0.05.
  3. ** P < 0.001.
  4. † Only one foot included in analysis (HV group: worst foot; control group: randomly chosen).