Table 3

Change in VAS pain and WOMAC scores (completed by the patient)

Difference: 6 months−inclusion
ControlSpa therapy
Mean±SD*Effect size (95% CI)Mean±SD†Effect size (95% CI)p Value
VAS pain−4.0±22.8 (n=186)0.21 (0.01 to 0.42)−11.4±24.9 (n=193)0.55 (0.35 to 0.75)0.003
WOMAC function−3.0±15.4 (n=172)0.17 (−0.04 to 0.38)−8.5±14.7, (n=179)0.43 (0.22 to 0.64)<0.001

  • ↵* Three missing values for VAS pain.

  • ↵† 31 missing values for WOMAC.

  • VAS, visual analogue scale; WOMAC, Western Ontario and McMaster Universities osteoarthritis index.