TNF and rheumatoid arthritis: Moreover, the rates of T-score and Z-score for L2–L4 vertebral (p = 0.838 and p = 0.510, respectively; Table 3) as well as femur neck (p = 0.280 and p = 0.09, respectively; Table 3) did not differ in women with RA before anti-TNF-α treatment compared to the values in 15 months of these therapy.