MPOG Database	STS Database
MPOG_Patient_ID	Race
MPOG_Case_ID_String	Smoking status
MPOG_Institution_ID	Reoperation
Date of surgery	Hypertension
Case times	Steroid use
Age	Congestive heart failure
Sex	Coronary artery disease
ASA class	Peripheral vascular disorders
Height	Prior cardio-thoracic surgery
Weight	Current chemotherapy status
BMI	Thoracic radiation therapy and timing
WHO BMI Classification	Cerebrovascular history
Predicted body weight	Pulmonary hypertension
Presence of existing airway	Diabetes and type of control
Bronchial blocker used	Dialysis
Primary anesthesia CPT code	Chronic obstructive pulmonary disease
Anesthesia and surgical duration	Interstitial fibrosis
Fluid totals	Smoking status
Total crystalloid equivalents given	FEV1 Percent Predicted
Tidal volume	Zubrod scale
Respiratory rate	Primary surgical CPT code
Positive end expiratory pressure	Intraoperative blood transfusion
Peak inspiratory pressure	Postoperative destination
Plateau airway pressure	30-day postoperative status
Mean inspiratory pressure	30-day postoperative morbidity
SpO2	Postop Complication - anastomic leak
FiO2	Postop Complication - unexpected ICU admission
EtCO2	Postop Complication - Central neurological event
One-lung and two-lung ventilation start and stop times	Postop Complication - Renal failure
Blood product use	Postop Complication - Sepsis
	Postop Complication - MI
	Postop Complication - Atrial arrhythmia
	Postop Complication - Ventricular arrhythmia
	Postop Complication - Return to OR
	Postop Complication - Respiratory failure
	Postop Complication - Atelectasis
	Postop Complication - Air leak > 5 days
	Postop Complication - Pulmonary embolism
	Postop Complication - Bronchopleural fistula
	Postop Complication - ARDS
	Postop Complication - Tracheostomy
	Postop Complication - Empyema
	Postop Complication - Pneumonia
	Postop Complication - DVT
	Postop Complication - Pneumothorax
	Postop Complication - Ileus
	Postop Complication - Surgical site infection
	Postop Complication - Sepsis
	Postop Complication - Other infection
	Postop Complication - Delirium
	Postop Complication - Other pulmonary event
	Postop Complication - Discharge status
	Postop Complication - 30-day readmission
	Postop Complication - Ventilator support > 48 hours
	Unanticipated surgical conversion
	Unanticipated surgical conversion type