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Fig. 2 | BMC Anesthesiology

Fig. 2

From: Predicting postoperative nausea and vomiting using machine learning: a model development and validation study

Fig. 2

Pearson correlations between the dataset’s features. Abbreviations: BMI, body mass index; ASA_class, The American Society of Anesthesiologists (ASA) physical status classification; Proc_CPT, procedure CPT (The Current Procedural Terminology); Surg_urg, surgery urgency; Surg_dur, surgery duration; Hx_ponv, history of PONV; AW_mgmt, airway management; Neur_anesth, neuraxial anesthesia; PNB, peripheral nerve block; Inh_anesth, inhalational anesthesia; TIVA, total intravenous anesthesia; InOpLngOp, intraoperative long-acting opioid; InOpCryst, intraoperative crystalloid volume; N_PONV_Meds, number of PONV prophylaxis drugs; G_Adh_Proph: adherence to guidelines; PONV_PACU, PONV in the PACU; PONV_24H, PONV within 24 h

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BMC Anesthesiology

ISSN: 1471-2253

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