Table 2.

Baseline Scores for Placebo and Intervention Groups

	Placebo group	Intervention group	Wilcoxon two-sample test (p)
WOMAC—Pain+Stiffness	8.9±5.14	11.46±6.21	0.544
WOMAC—Function	18.28±10.76	26.51±13.56	0.375
WOMAC—Total Score	27.43±15.55	38.03±18.75	0.421
Lequesne Functional Index	12.04±5.01	8.64±3.9	0.125

Results of pretesting on the comparison of the placebo group (n=12) with the. nutritional supplement group (n=19). All data are expressed as a median with a 95% confidence ratio.

WOMAC, Western Ontario McMaster index.