Independent Predictors of 6-Month Mortality in Patients Successfully Resuscitated for Out-of-Hospital Cardiac Arrest: Observational Retrospective Single Center Study

Table 1

Baseline characteristics of all hospitalized OHCA patients and comparisons between survivors and nonsurvivors within 6 months.

Variables	All; ()	6-month; survivors; ()	6-month; nonsurvivors; ()
Men (%)	73.1	82.1	65.1	0.041
Mean age ± SD (years)	64.1 ± 13.5	59.9 ± 13	67.7 ± 12.9	0.001
AH (%)	68.1	60.7	74.6	0.119
Prior MI (%)	21.8	17.9	25.4	0.378
Diabetes (%)	23.5	17.9	28.6	0.198
Bystander resuscitation of OHCA (%)	45.4	48.2	42.9	0.585
VF/VT (%)	54.6	73.2	38	<0.001
Asystole/PEA (%)	42	21.4	60.3	<0.001
Mean time to CPR ± SD (min)	8.6 ± 4.5	5.7 ± 5.2	7.8 ± 5.3	0.082
Mean time of CPR ± SD (min)	17.6 ± 17	8.9 ± 8.4	24.6 ± 18.9	<0.001
Mean admission lactate ± SD (mmo/l)	6.4 ± 4.2	4.5 ± 3.6	8.1 ± 3.9	<0.001
Mean admission EF ± SD (%)	33.7 ± 15	35.8 ± 15.5	31.2 ± 14.2	0.149
Acute coronary syndromes (%)	41.2	51.8	31.7	0.04
STEMI (%)	27.7	35.7	20.6	0.100
NSTEMI (%)	13.4	16.1	11.1	0.592
Mean GCS ± SD	3.6 ± 2.5	4.3 ± 3.5	3.0 ± 0	0.005

AH: arterial hypertension, MI: myocardial infarction, VF: ventricular fibrillation, VT: ventricular tachycardia, PEA: pulseless electrical activity, CPR: cardiopulmonary resuscitation, SD: standard deviation, EF: ejection fraction, STEMI: ST-elevation myocardial infarction, NSTEMI: non-ST-elevation myocardial infarction, and GCS: Glasgow coma scale.