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Table 4 Results of fitness assessments of the whole patient sample at T0 (baseline) and T1 (after 6 months)

From: Lessons learned from a pilot implementation of physical activity recommendations in axial spondyloarthritis exercise group therapy

Fitness assessment

T0

T1

 

ES

n missing values

(n = 30)

(n = 30)

Change (n = 30)

(95% confidence interval)

mean (SD)

    

median (IQR 25/75)

    

Cardiorespiratory fitness, VO2max

   

*1.22 (0.59, 1.90)

n missing values

4

11

13

 

mean (SD)

35.2 (6.5)

41.6 (6.5)

7.9 (6.5)

 

median (IQR 25/75)

34.5 (32.6/39.7)

39.9 (38.2–46.0)

  

Core strength, ventral, sec

   

*0.62 (0.19, 1.06)

n missing values

1

5

5

 

mean (SD)

78.8 (51.9)

107.5 (65.4)

23.8 (38.6)

 

median (IQR 25/75)

69.0 (40.0–100.0)

90.0 (64.0–149.0)

  

Core strength, lateral, sec

   

0.17 (0.01, 0.55)

n missing values

1

5

5

 

mean (SD)

49.0 (31.5)

57.9 (31.1)

7.6 (30.2)

 

median (IQR 25/75)

39.0 (29.0–66.0)

51.0 (38.0–82.0)

  

Core strength, dorsal, sec

   

0.30 (0.02, 0.65)

n missing values

1

7

7

 

mean (SD)

58.5 (50.1)

71.7 (56.6)

9.7 (35.5)

 

median (IQR 25/75)

35.0 (24.0–80.0)

59.0 (32.5–85.5)

  

One leg stance, open eyes, mean of 3 reps, sec

   

0.10 (0.00, 0.48)

n missing values

0

4

4

 

mean (SD)

43.1(21.1)

46.6 (19.6)

3.7 (14.0)

 

median (IQR 25/75)

60.0 (24.5–60.0)

60.0 (34.0–60.0)

  

One leg stance, closed eyes, mean of 3 reps, sec

   

0.30 (0.02, 0.63)

n missing values

0

4

4

 

mean (SD)

7.7 (5.8)

9.5 (7.8)

1.7 (5.5)

 

median (IQR 25/75)

5.5 (5.0–15.5)

7.9 (3.0–14.9)

  

BASMI, Score

   

*− 0.28 (− 0.68, 0.12)

n missing values

0

4

4

 

mean (SD)

3.1 (2.3)

2.9 (2.0)

− 0.2 (0.9)

 

median (IQR 25/75)

2.4 (1.2–4.5)

2.3 (1.2–4.7)

  

IPAQ, MET per week

   

0.15 (0.00, 0.58)

n missing values

1

9

10

 

mean (SD)

5013 (3479)

4101 (4262)

− 199.8 (2712.2)

 

median (IQR 25/75)

3916 (1520–14,958)

3150 (1470–4502)

  

BASDAI

   

*0.06 (− 0.39, 0.51)

n missing values

1

9

10

 

mean (SD)

3.0 (1.7)

3.0 (2.2)

0.0 (1.1)

 

median (IQR 25/75)

3.0 (1.8–4.1)

2.2 (1.3–4.4)

  

BAS-G

   

0.02 (0.00, 0.49)

n missing values

1

9

10

 

mean (SD)

2.9 (1.8)

2.6 (1.8)

− 0.2 (1.6)

 

median (IQR 25/75)

2.4 (1.4–4.5)

2.2 (1.1–3.7)

  

ASAS-HI

   

0.12 (0.00, 0.54)

n missing values

1

9

10

 

mean (SD)

3.0 (2.6)

2.5 (0.7)

− 0.8 (3.3)

 

median (IQR 25/75)

2.1 (1.0–4.0)

3.0 (2.0–3.0)

  
  1. Effect sizes (ES) were computed from Wilcoxon tests and paired t-tests, using r for non-parametric and cohen’s d for parametric* analysis, respectively. Interpretation of ES: r: 0.1–0.3 (small), 0.3–0.5 (moderate) and > 0.5 (large). Cohen’s d: 0.2 (small), 0.5 (medium), 0.8 (large)
  2. IQR interquartilrange, sec seconds, SD standard deviation, BASMI bath ankylosing spondylitis mobility index, reps repetitions, IPAQ international physical activity questionnaire, BASDAI bath ankylosing spondylitis disease activity index, BAS-G bath ankylosing spondylitis patient global score, ASAS-HI assessment of spondyloarthritis international society health index
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BMC Rheumatology

ISSN: 2520-1026

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