Fig. 3

Analysis of restricted cubic spline regression. The figure shows the nonlinear relationship between ABSI and AÂ total femur BMD, BÂ femoral neck BMD. CÂ trochanter BMD, DÂ intertrochanter BMD. It was adjusted for age, gender, race, PIR, MET scores, serum cotinine, total energy intake, serum phosphorus, calcium, and ALP