Table 1 Scales validated for POD monitoring listed in the European Society of Anesthesia and Intensive Care (ESAIC) guidelines [1]

 ■ Diagnostic and Statistical Manual of Mental Disorders Fifth Edition (DSM-5);

 ■ 10th revision of the International Statistical Classification of Diseases and Related Health Problems (ICD 10);

 ■ Nursing Delirium Screening Scale (Nu-DESC);

 ■ Confusion Assessment Method (CAM); CAM-ICU;

 ■ Delirium Rating Scale-98;

 ■ Memorial Delirium Assessment Scale;

 ■ Bedside Confusion Scale;

 ■ Clinical Assessment of Confusion;

 ■ Confusion Rating Scale;

 ■ Delirium-O-Meter;

 ■ Delirium Observation Screening;

 ■ Delirium symptom interview (DSI);

 ■ Neelon and Champagne Confusion Scale (NEECHAM);

 ■ 4 ‘A’s Test