Fig. 5

(A) LASSO coefficient profiles of the 16 features. (B) Optimal parameter (lambda) selection in the LASSO model using tenfold cross-validation via minimum criteria. Vertical line is drawn at the value selected using tenfold cross-validation, where the optimal lambda results in five features with nonzero coefficients. Curves in A correspond to risk factors: 11 = leakage of bone cement, 12 = shape of bone cement, 7 = BMD, 10 = dosage of bone cement, and 2 = age