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Table 3 Muscle strength, expressed as a percentage of predicted value, mean (SD)

From: Muscle strength, physical fitness and well-being in children and adolescents with juvenile idiopathic arthritis and the effect of an exercise programme: a randomized controlled trial

Muscle –group

n

Exercise

n

Control

p- valuea

Shoulder abductors

28

70.5 (17.6)

15

73.4 (21.6)

0.636

Elbow extensors

28

84.1 (19.6)

15

75.7 (12.7)

0.144

Hip extensors

27

52.1 (18.9)

15

55.9 (13.1)

0.496

Hip flexors

28

91.8 (17.8)

15

92.9 (25.5)

0.870

Hip abductors

28

33.9 (10.2)

15

38.8 (10.4)

0.138

Knee extensors

28

80.9 (21.5)

15

84.4 (15.4)

0.575

  1. a unpaired t-test.