Variables | Univariable association | Multivariable association | ||||
---|---|---|---|---|---|---|
OR | 95% CI | P-valuea | OR | 95% CI | P-valueb | |
Age (year) | 1.03 | 1.01–1.06 | .007 | .358 | ||
Male sex | 1.52 | 0.87–2.64 | .141 | .243 | ||
Body mass index (kg/m2) | 0.86 | 0.79–9.34 | <.001 | .230 | ||
Category of surgeryb (vs. Stomach) | .007 | .008 | ||||
Colorectalb | 2.75 | 1.31–5.77 | .008 | 3.34 | 1.51–7.39 | .003 |
Hepatic | 2.18 | 0.76–6.21 | .146 | 1.90 | 0.63–5.72 | .260 |
Biliary-pancreas | 0.99 | 0.39–2.52 | .983 | 1.23 | 0.46–3.30 | .678 |
Volatile agent compared with TIVA | 0.83 | 0.50–1.50 | .492 | |||
Duration of anesthesia (min) | 1.00 | 0.99–1.00 | .718 | |||
bis40_dur (min) | 1.00 | 0.99–1.00 | .876 | |||
bis40_5min | 1.31 | 0.47–3.67 | .605 | |||
bis20_dur (min) | 0.99 | 0.90–1.09 | .791 | |||
bis20_5min | 1.88 | 0.44–8.04 | .393 | |||
eegsup_dur (min) | 1.01 | 0.97–1.04 | .745 | |||
eegsup_5min | 1.20 | 0.47–3.06 | .700 | |||
bis40map50_dur (min) | 1.22 | 1.03–1.44 | .018 | .767 | ||
bis20map50_dur (min) | 1.45 | 0.33–6.25 | .622 | |||
map50_dur (min) | 1.05 | 0.93–1.18 | .452 | |||
Past medical history | ||||||
Aortic stenosis | 3.44 | 0.43–27.58 | .245 | |||
Congestive heart failure | < 0.01 | .999 | ||||
Coronary artery disease | 0.62 | 0.15–2.59 | .516 | |||
Hypertension | 1.21 | 0.72–2.05 | .474 | |||
Peripheral vascular occlusive disease | < 0.01 | .999 | ||||
Dysrhythmiab | 4.36 | 1.89–10.04 | .001 | 3.43 | 1.31–9.00 | .012 |
Chronic obstructive pulmonary disease | 1.40 | 0.33–5.93 | .645 | |||
Pulmonary hypertension | 5.16 | 0.61–43.59 | .131 | .563 | ||
Stroke | 0.43 | 0.06–3.17 | .410 | |||
Malignancyb | 5.13 | 1.85–14.23 | .002 | 3.08 | 1.05–9.03 | .040 |
Diabetes | 2.09 | 1.21–3.61 | .008 | .540 | ||
Sleep apnea | < 0.01 | .999 | ||||
Current smoker | 1.14 | 0.55–2.35 | .723 | |||
Regular alcohol ingestion | 0.71 | 0.37–1.39 | .320 | |||
ASA (compared with ASA I) | <.001 | .055 | ||||
II | 7.55 | 1.81–31.41 | .005 | 3.17 | 0.73–13.70 | .122 |
IIIb | 21.35 | 4.93–92.53 | <.001 | 6.21 | 1.36–28.31 | .018 |
IV | < 0.01 | .999 | 0.00 | 0.00 | .999 | |
Hemoglobinb level (g/dL) | 0.56 | 0.48–0.65 | <.001 | 0.79 | 0.66–0.95 | .014 |
Albuminb level (g/dL) | 0.11 | 0.07–0.18 | <.001 | 0.18 | 0.10–0.32 | .000 |