Additional file 1.

Figure 1S. Distribution of serum FSTL1 concentrations in 48 male and 120 female OA patients. Table 1S. Baseline characteristics of 112 female patients with OA of the knee according to serum FSTL1 levels. Table 2S. Baseline characteristics of 46 male patients with OA of the knee according to serum FSTL1 levels.

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Wang et al. Arthritis Research & Therapy 2011 13:R193   doi:10.1186/ar3522