Multivariate logistic regression analysis of the predictors of hospitalization duration and in-hospital mortality in nonagenarians, with stepwise selection of variables (n = 283).

*Variables included in the analysis were age, gender, comorbidities (DM, CKD, old CVA, dementia, heart failure, COPD, malignancy), Barthel Index (at admission), main diagnosis at admission and concomitant diagnosis at admission and receipt of CPR; estimated Area under receiver operating curve (AUROC) = 0.787.#Variables included in the analysis comprised of age, gender, comorbidities (DM, CKD, old CVA, dementia, heart failure, COPD, malignancy), Barthel Index (at admission and discharge), main diagnosis at admission and discharge, concomitant illnesses at admission and discharge and receipt of CPR; estimated AUROC = 0.752.Abbreviations: DM, diabetes mellitus; CKD, chronic kidney disease; CVA, cerebrovascular accident; COPD, chronic obstructive pulmonary disease; CPR, cardiopulmonary resuscitation.