Variables | Univariable association | Multivariable association | ||||
---|---|---|---|---|---|---|
OR | 95% CI | P-valuea | OR | 95% CI | P-valueb | |
Age (year) | 1.02 | 0.99–1.06 | .146 | .438 | ||
Male sexb | 2.64 | 1.07–6.55 | .036 | 3.22 | 1.24–8.36 | .017 |
Body mass index (kg/m2) | 0.97 | 0.87–1.08 | .539 | |||
Category of surgery (vs. Stomach) | .239 | |||||
Colorectal | 1.84 | 0.72–4.75 | .205 | |||
Hepatic | 1.07 | 0.21–5.34 | .938 | |||
Biliary-pancreas | 0.66 | 0.18–2.34 | .518 | |||
Volatile agent compared with TIVA | 1.00 | 0.47–2.12 | .998 | |||
Duration of anesthesia (min) | 1.00 | 0.99–1.00 | .774 | |||
bis40_dur (min) | 1.00 | 0.99–1.01 | .876 | |||
bis40_5min | 2.58 | 0.35–19.12 | .353 | |||
bis20_dur (min) | 0.57 | 0.14–2.33 | .432 | |||
bis20_5min | < 0.01 | .998 | ||||
eegsup_dur (min) | 0.95 | 0.82–1.10 | .483 | |||
eegsup_5min | 0.47 | 0.06–3.51 | .465 | |||
bis40map50_durb (min) | 1.38 | 1.16–1.65 | <.001 | 1.26 | 1.04–1.53 | .019 |
bis20map50_dur (min) | 1.89 | 0.44–8.08 | .393 | |||
map50_dur* (min) | 1.12 | 1.00–1.26 | .057 | |||
Past medical history | ||||||
Aortic stenosis | < 0.01 | .999 | ||||
Congestive heart failure | < 0.01 | .999 | ||||
Coronary artery disease | 1.39 | 0.33–5.95 | .655 | |||
Hypertension | 0.91 | 0.42–1.98 | .809 | |||
Peripheral vascular occlusive disease | < 0.01 | .999 | ||||
Dysrhythmiab | 5.20 | 1.75–15.47 | .003 | 4.26 | 1.24–14.59 | .021 |
Chronic obstructive pulmonary disease | 3.13 | 0.72–13.60 | .128 | .805 | ||
Pulmonary hypertension | 11.28 | 1.31–96.95 | .027 | .200 | ||
Stroke | < 0.01 | .997 | ||||
Malignancy | 4.77 | 1.13–20.16 | .034 | .219 | ||
Diabetes | 2.07 | 0.95–4.52 | .068 | .618 | ||
Sleep apnea | < 0.01 | .999 | ||||
Current smoker | 1.74 | 0.70–4.32 | .236 | |||
Regular alcohol ingestion | 0.86 | 0.35–2.13 | .738 | |||
ASA (compared with ASA I) | .012 | .539 | ||||
II | 7.04 | 0.94–52.91 | .058 | .986 | ||
III | 19.32 | 2.43–153.44 | .005 | .335 | ||
IV | < 0.01 | .999 | .795 | |||
Hemoglobinb level (g/dL) | 0.56 | 0.46–0.69 | <.001 | 0.70 | 0.55–0.89 | .004 |
Albuminb level (g/dL) | 0.11 | 0.05–0.21 | <.001 | 0.21 | 0.09–0.47 | <.001 |