Perioperative goal-directed therapy and postoperative outcomes in patients undergoing high-risk abdominal surgery: a historical-prospective, comparative effectiveness study

Table 1 Outcome measures collected for the analysis and their sources

Data	Acronym	Definition	Source
Primary outcome
Post operative length of stay in the hospital	LOS	Number of nights in the hospital after surgery	Electronic Medical Record
Secondary outcome
Intraoperative blood transfusion	Blood		AIMS
Postoperative mechanical ventilation >6 hours	Postop vent		Electronic Medical Record
Length of stay in the intensive care unit	LOS ICU	Number of nights in the intensive care unit after surgery	Electronic Medical Record
NSQIP complication	NSQIP comp	Incidence of at least one NSQIP complication from the list presented below	NSQIP database
Acute kidney injury	AKI	NSQIP definition	NSQIP database
Deep vein thrombosis	DVT	NSQIP definition	NSQIP database
Illeus	Ills		Electronic Medical Record
Myocardial infarction	MI	NSQIP definition	NSQIP database
Pneumonia	Pnmn	NSQIP definition	NSQIP database
Pulmonary embolism	PE	NSQIP definition	NSQIP database
Sepsis	Spss	NSQIP definition	NSQIP database
Stroke	Stk	NSQIP definition	NSQIP database
Surgical site infection	SSI	NSQIP definition	NSQIP database
Urinary tract infection	UTI	NSQIP definition	NSQIP database
30-day readmission	30 days readmission	Hospital readmission within 30 days after surgery	Electronic Medical Record

AIMS Anesthesia Information Management System, NSQIP National Surgical Quality Improvement Program

ISSN: 1364-8535