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Table 2 Changes in muscle strength and exercise capacity from baseline to 3-month time-point for exercise versus control groups

From: Effect of resistance exercise on serum leptin levels in a prospective longitudinal study of women patients with rheumatoid arthritis

  

Exercise group

Control group

F

P (group-time interaction)

Upper extremity

Grip strength, Rt

 Baseline, lbs

43.8 ± 2.4

55.7 ± 3.2

  

 Change at 3 months, lbs

46.6 ± 2.2*

54.0 ± 3.0

2.046

0.119

Grip strength, Lt

 Baseline, lbs

44.3 ± 2.3

50.2 ± 3.1

  

 Change at 3 months, lbs

47.3 ± 1.7**

48.0 ± 2.3

3.117

0.086

Lower extremity

Muscle strength, Rt

 Baseline, lbs

53.6 ± 1.5

56.8 ± 2.0

  

 Change at 3 months, lbs

60.7 ± 1.4**

58.1 ± 2.0

4.815

0.035

Muscle strength, Lt

 Baseline, lbs

53.0 ± 1.3

54.6 ± 1.8

  

 Change at 3 months, lbs

58.7 ± 1.5**

55.0 ± 2.0

7.026

0.012

Exercise capacity

6MWT

 Baseline, m

495.9 ± 9.9

508.4 ± 13.5

  

 Change at 3 months, m

528.8 ± 11.4**

523.2 ± 15.4*

5.866

0.021

  1. Values are presented as estimated means ± standard error from the repeated-measures analyses of variance
  2. P values are for the interaction between groups over time (from baseline to 3 months) as calculated with the use of repeated-measures analyses of variance (with baseline DAS28-CRP as a covariate)
  3. Abbreviations: 6MWT 6-min walking test
  4. *Significant difference to baseline p<0.05 (repeated measures ANOVA)
  5. **Significant difference to baseline p<0.01 (repeated measures ANOVA)