Table 2 VAS score, Roland–Morris score and 6-min walk test distance before and after corticoid treatment

VAS score (cm) P-value 0.56

CORTICOID

7.68

5.68

6.71

6.61

PLACEBO

7.07

5.50

5.17

5.97

P-VALUE

0.30

0.81

0.02*

0.37

Roland–Morris score P-value 0.40

CORTICOID

16.16

12.77

14.71

14.81

PLACEBO

15.27

14.73

13.80

13.80

P-VALUE

0.46

0.25

0.53

0.52

6-minute walk test (m) P-value 0.73

CORTICOID

367.39

379.97

346.8

352.6

PLACEBO

388.83

391.50

389.4

395

P-VALUE

0.36

0.62

0.07

0.08