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Table 1 Baseline characteristics of study participants

From: Effect of preoperative neuromuscular training (NEMEX-TJR) on functional outcome after total knee replacement: an assessor-blinded randomized controlled trial

 

Intervention group (n = 22)

Control group (n = 23)

p-value

Age – years

68.8 ± 8.0

71.9 ± 8.1

0.198

Females (%)

11 (50)

10 (43.5)

0.889

BMI – kg/m2

30.8 ± 4.9

29.9 ± 5.5

0.507

Time to surgery - weeks

8.9 ± 3.6

8.5 ± 3.0

0.790

Primary and secondary outcome measures

   

  Chair Stand Test

16.3 ± 8.3

16.0 ± 4.7

0.581

  KOOS pain

48.1 ± 17.6

47.3 ± 16.8

0.864

  KOOS ADL

51.7 ± 17.8

49.9 ± 19.1

0.716

Additional outcome measures

   

  KOOS symptoms

47.4 ± 13.5

49.1 ± 15.1

0.982

  KOOS sport and recreation

18.3 ± 17.5

16.9 ± 17.6

0.680

  KOOS quality of life

26.4 ± 14.5

26.8 ± 15.3

0.900

  Muscle strength

   

  Knee extension op

244.8 ± 91.7

247.6 ± 100.5

1.000

  Knee extension contra

285.0 ± 97.8

315.4 ± 123.1

0.386

  Knee flexion op

165.4 ± 61.9

151.9 ± 53.8

0.447

  Knee flexion contra

176.6 ± 65.6

185.4 ± 66.9

0.525

  Knee-bendings/30s

13.1 ± 3.9

11.4 ± 5.5

0.406

  ROM of the knee

   

  Flexion op

115.7 ± 11.5

115.0 ± 12.0

0.748

  Flexion contra

119.5 ± 8.0

122.9 ± 11.5

0.219

  Extension op

6.6 ± 4.7

6.7 ± 4.4

0.708

  Extension contra

1.6 ± 2.8

3.0 ± 3.9

0.203

  20 m walk test

17.6 ± 2.9

17.9 ± 4.8

0.658

  Timed up and go

9.7 ± 2.4

11.5 ± 7.2

0.329

  Physical activity level

   

  METs (kcal/h/kg)

28.5 ± 4.5

29.3 ± 4.5

0.617

  Steps (daily average)

6158.7 ± 3317.4

6145.0 ± 2810.9

0.967

  Adapted NHANES III METs

24.4 ± 23.6

21.2 ± 29.0

0.244

  SF 36

   

  Physical functioning

43.4 ± 17.5

44.1 ± 19.1

0.906

  Role physical

43.2 ± 45.8

35.2 ± 44.8

0.575

  Bodily pain

41.9 ± 15.5

43.7 ± 14.3

0.706

  General health

62.6 ± 15.2

64.4 ± 17.4

0.467

  Vitality

57.1 ± 20.3

52.3 ± 19.4

0.723

  Social functioning

87.5 ± 18.1

83.5 ± 22.6

0.580

  Role emotional

77.3 ± 40.4

62.1 ± 47.5

0.305

  Mental health

79.5 ± 14.2

73.6 ± 16.6

0.215

  EQ-5D

   

  Mobility

1.7 ± 0.5

1.7 ± 0.5

0.755

  Self-care

1.0 ± 0.0

1.1 ± 0.4

0.081

  Usual Activities

1.4 ± 0.5

1.3 ± 0.5

0.764

  Pain/discomfort

2.1 ± 0.4

2.0 ± 0.2

0.335

  Anxiety/Depression

1.2 ± 0.4

1.2 ± 0.4

0.724

  EQ-VAS

64.6 ± 18.2

67.7 ± 16.0

0.684

  RAPT

9.4 ± 1.5

9.4 ± 1.4

0.298

  1. Values are the mean ± SD for continuous variables (Wilcoxon Rank Sum test) and the number (percentage) for categorical variables (Chi-square test). There were no significant between group differences for all variables.
  2. Legend:
  3. BMI, body mass index; op, operated leg; contra, contralateral leg; ROM, range of motion; MET, metabolic equivalent task; KOOS, Knee Injury and Osteoarthritis Outcome Score; NHANES, National Health And Nutrition Examination Survey; SF 36, Short Form-36 health survey; EQ-5D, EuroQol – 5 dimensions; EQ-VAS, EuroQol - Visual Analog Scale; RAPT, Risk Assessment and Prediction Tool.
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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