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Table 1 ASA-Criteria

From: Acute cholecystitis – early laparoskopic surgery versus antibiotic therapy and delayed elective cholecystectomy: ACDC-study

ASA Physical Status (PS) Classification System from the American Society of Anesthesiologists

ASA PS Category

Preoperative Health Status

ASA PS 1

Normal healthy patient

ASA PS 2

Patients with mild systemic disease

ASA PS 3

Patients with severe systemic disease

ASA PS 4

Patients with severe systemic disease that is a constant threat to life

ASA PS 5

Moribund patients who are not expected to survive without the operation

ASA PS 6

A declared brain-dead patient who organs are being removed for donor purposes

  1. American Society of Anesthesiologists (ASA) Physical Status (PS) Classification System. Categories to classify the preoperative health status of patients.