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(A) Binomial Deviance of the LASSO model with different log (lambda). (B) LASSO coefficient profiles of the risk factors predicting IUBT failure. The best combination of risk factors was selected by LASSO logistic regression analyses, with risk factors selected by the log (lambda) at which the minimal Binomial Deviance was achieved. LASSO, least absolute shrinkage and selection operator; IUBT, intrauterine balloon tamponade.
