Table 4.

Factors related to WLST decisions

	Adjusted OR (95% CI)	p-value
Age	1.00 (0.99–1.02)	0.084
Gender male	1.00 (0.67–1.49)	0.986
PS before cardiac arrest	1.03 (0.70–1.52)	0.862
Primary cerebral disorders	6.67 (1.29–34.5)	0.023
Time to ECMO (EMS arrival to ECMO pump-on)	0.99 (0.98–1.00)	0.577
Pupil diameter (≥ 6 mm) on ICU admission	1.29 (0.79–2.09)	0.300
SOFA score on ICU admission	1.05 (1.00–1.09)	0.017
Lactate level on ICU admission	1.04 (1.01–1.08)	0.007
Any ECMO complication	1.17 (0.85–1.61)	0.323

Adjusted for each variable

CI Confidence interval, ECMO Extracorporeal membrane oxygenation, EMS Emergency medical services, ICU Intensive care unit, SOFA Sequential organ failure assessment, OR Odds ratio, PS Performance status, WLST Withdrawal/withholding of life sustaining therapy