Investigation of mortality rates and the factors affecting survival in out-of-hospital cardiac arrest patients

Figures & data

Table 1. Demographic and Clinical characteristic of the patients.

	Patients over 65 years of age	Patients under 65 years of age	p value
Gender, male	90 (57.7%)	76 (63.3%)	0.386
Age	77 (72-82.7)	54 (46–59)	<0.001
Coronary Artery Disease	100 (64.1%)	68 (56.6%)	0.216
Respiratory Diseases	57 (36.5%)	28 (23.3%)	0.025
Diabetes Mellitus	76 (48.7%)	22 (18.3%)	<0.001
Chronic renal failure	44 (28.2%)	13 (10.8%)	<0.001
Neurological diseases	47 (30.1%)	13 (10.8%)	<0.001
CPR duration (minutes)	22 (12-35)	20 (15–30)	0.987
Ventricular fibrillation	15 (9.6%)	14 (11.6%)	0.693
Ventricular fibrillation	5 (3.2%)	2 (1.6%)	0.703
Asystole	103 (66.0%)	82 (68.3%)	0.701
Pulseless electrical activity	33 (21.1%)	22 (18.3%)	0.649
ICU duration (days)	2 (1–7)	2 (1–6)	0.011
APACHE-II	26.5 (22–33)	26 (20.0–33.7)	0.296
EDR	58.5 (42–80)	56 (35–82.2)	0.240
Mechanical ventilation (days)	2 (1–7)	1 (1–2)	<0.001
Hospital Mortality	154 (98.7%)	71 (59.1%)	<0.001
One year mortality	155 (99.3%)	78 (65.0%)	<0.001

CPR: cardiopulmonary resuscitation; ICU: intensive care unit; APACHE-II: acute physiology and chronic health evaluation -II score; EDR : expected death rate.

Table 2. Binary logistic regression analysis using forward: conditional method on the risk factors associated with mortality for cardiac arrest.

Variable	Odds Ratio	95% Confidence Interval	p-value
Gender	1.116	0.501–2.488	0.788
Age groups (<65 and ≥65)	122.500	21.758–689.671	<0.001
Coronary Artery Disease	2.545	1.112–5.821	0.027
Respiratory Diseases	0.906	0.351–2.341	0.839
Diabetes Mellitus	0.570	0.202–1.606	0.287
Chronic renal failure	1.533	0.434–5.417	0.507
Neurological diseases	2.472	0.762–8.019	0.132
CPR duration	1.074	1.023–1.129	0.004
Ventricular fibrillation	2.817	0.667–11.897	0.159
Ventricular fibrillation	12.097	0.696–210.094	0.087
Asystole	1.634	0.557–4.797	0.372
Constant	0.003		0.013