Fig 1.
We included consecutive patients aged 18 years or older who underwent major abdominal surgery under general anesthesia at Kyoto University Hospital between 2012 and 2017. Then, we extracted the cases that met our eligibility criteria and analyzed them as complete cases.
Table 1.
Patients’ characteristics (n = 4,171).
Table 2.
Multivariable analysis of the relationship between EtCO2 and organ dysfunction.
Table 3.
Multivariable analysis of the relationship between EtCO2 and secondary outcomes.