“…[ 9 ] However, the primary purpose of PAE is to assess, know and diagnose unknown comorbidities which can affect perioperative management. [ 7 ] Preoperative risk stratification models, indices and validated scoring systems are used commonly nowadays, and these are used as a part of enhanced recovery after surgery (ERAS) protocols and to improve patient outcomes. [ 10 11 12 ] ASA PS classification is a preoperative risk stratification tool that is used commonly for all kinds of surgery.…”