ALB and acute respiratory distress syndrome: The cut-off value of albumin from ROC curve as per AUC for predicting a longer length of ICU stay (≥10 days) in ARDS patients was <3.25 g/dL, and it was significant (AUC 0.623, p < 0.05, CI [0.513–0.732], sensitivity 86.67%, specificity 45.45%, positive predictive value 56.52%, negative predictive value 80.65%, and diagnostic accuracy 64%).