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Table 1 Patient complexity variables in CRISP-MeSLab database

From: Patient satisfaction, patients leaving hospital against medical advice and mortality in Italian university hospitals: a cross-sectional analysis

Definition Type Criteria and Rationale
Gender Dichotomous; 0 = Male, 1 = Female Takes into account patient gender
Age Continuous; > = 2 Takes into account patient age
Intensive Care passage Dichotomous: 0 = No; 1 = Yes Indicates whether the patient has been admitted or transferred in an intensive care unit (ICU) or a cardiac intensive care unit (CICU)
Sentinel event Dichotomous: 0 = No sentinel event; 1 = At least one sentinel event Identifies sentinel event/urgent case through 1051 specific ICD-9-CM codes
DRG weight Continuous; > 0 Measures treatment complexity
Cardiovascular disease Dichotomous: 0 = No; 1 = Yes Indicates whether the patient was diagnosed with a cardiovascular disease during hospitalization through 386 ICD-9-CM diagnoses
Elixhauser comorbidity index Discrete: From 0 to 6 Index of patient comorbidity at the admission time [39]