Table 2

Comparison of percentages of positive findings in treatment versus control groups after 12-week clinical study


Positive(%)






Items
Treatment
(n = 44)
Control
(n = 45)
Χ2 Value
P Value

Joint pain
43.2*
71.1



Joint stiffness
22.7*
42.2
3.85
0.050

Joint tenderness
45.5*
71.1
6.03
0.014

Joint activity limitation
27.3*
44.4
2.85
0.091

* P < 0.01 when comparing these variables before versus after the study in the treatment group.

Xie et al. Nutrition Journal 2008 7:31   doi:10.1186/1475-2891-7-31