ASA	American Society of Anesthesiologists
AUC	area under the receiver operating characteristic curve
CCI	Charlson Comorbidity Index
CI	confidence interval
COPD	chronic obstructive pulmonary disease
CRP	C-reactive protein
ECOG	Eastern Cooperative Oncology Group
ERS/ESTS	European Respiratory Society/European Society of Thoracic Surgeons
FEV1	forced expiratory volume in one second
FVC	forced vital capacity
ICU	intensive care unit
IQR	interquartile range
mFI-11	Modified Frailty Index-11
NPV	negative predictive value
NSCLC	non-small cell lung cancer
OR	odds ratio
PACU	post-anaesthesia care unit
PPV	positive predictive value
RATS	robot-assisted thoracoscopic surgery
ROC	receiver operating characteristic
Sn	sensitivity
Sp	specificity
SpO2	peripheral oxygen saturation
STROBE	Strengthening the Reporting of Observational Studies in Epidemiology
STS	Society of Thoracic Surgeons
TRIPOD	Transparent Reporting of a Multivariable Prediction Model for Individual Prognosis or Diagnosis
VATS	video-assisted thoracoscopic surgery