Table 2.

Evaluation of functional capacity and mobility of patients with AS in the 2 groups. Values are mean (SD) unless otherwise specified.

VariablesIntervention Group, n = 35Control Group, n = 35p Intergroup#
T0T6T12T24T0T6T12T24
BASFI4.28 (2.78)3.49 (2.57)*3.37 (2.49)*3.47 (2.48)*4.27 (2.32)3.96 (2.06)*3.34 (2.07)*3.73 (2.19)*0.743
HAQ-S1.04 (0.59)0.90 (0.51)0.84 (0.52)*0.92 (0.57)1.01 (0.55)0.98 (0.57)0.92 (0.62)*0.97 (0.59)0.722
6MWT, m443.14 (51.50)479.13 (53.63)*479.97 (54.56)*473.53 (54.68)*423.81 (64.17)429.33 (64.17)434.48 (52.56)432.14 (45.87)0.001**
BASMI5.15 (1.95)4.93 (1.98)*4.93 (1.94)4.95 (2.03)*4.79 (2.22)4.60 (2.22)*4.65 (2.14)4.61 (2.24)*0.512
Chest expansion, cm2.95 (1.72)3.17 (1.81)3.33 (1.97)2.91 (1.53)3.35 (1.71)3.47 (1.91)3.50 (1.90)3.32 (1.61)0.425
  • * p < 0.05 compared to T0.

  • # ANOVA test.

  • ** Comparing both groups in all assessments, and between the groups in T6, T12, and T24 by Student t test.

  • AS: ankylosing spondylitis; T0: baseline assessment before randomization; T6: assessment 6 weeks after the start of the program; T12: assessment 12 weeks after the start of the program; T24: assessment 24 weeks after the start of the program; BASFI: Bath AS Functional Index; HAQ-S: Health Assessment Questionnaire for Spondyloarthritis; 6MWT: 6-min walk test; BASMI: Bath AS Metrology Index.