Table 1 Prehospital characteristics of the ROSC and non-ROSC groups.

From: Quantitative pupillometry and neuron-specific enolase independently predict return of spontaneous circulation following cardiogenic out-of-hospital cardiac arrest: a prospective pilot study

 

ROSC

Group (n = 26)

n (%) or median (IQR)

Non-ROSC Group (n = 26)

n (%) or median (IQR)

P-value

Male

22 (84.6)

19 (73.1)

0.73

Age, years

73.0 (66.0–81.0)

72.5 (63.0–82.0)

0.94

Pre-hospital initial rhythm

Asystole

12 (46.2)

18 (69.2)

0.09

PEA

9 (34.6)

6 (23.1)

0.36

VF/VT

5 (19.2)

2 (7.7)

0.22

Pre-hospital maximum pupil, mm

5.0 (4.0–6.0)

5.3 (5.0–6.0)

0.51

Pre-hospital light reflex

0 (0)

0 (0)

1.0

Comorbid conditions

Hypertension

4 (15.4)

3 (11.5)

0.68

Diabetes mellitus

3 (11.5)

2 (7.7)

0.64

Chronic heart failure

2 (7.7)

4 (15.4)

0.39

Dementia

2 (7.7)

1 (3.8)

0.55

Treated cancer

2 (7.7)

1 (3.8)

0.55

Witnessed

14 (53.8)

12 (46.1)

0.57

Bystander CPR

11 (42.3)

7 (26.9)

0.24

Pre-hospital treatment

Tracheal intubation

2 (7.7)

2 (7.7)

1.0

Supraglottic device

4 (15.4)

5 (19.2)

0.71

Epinephrine injection

5 (19.2)

4 (15.4)

0.71

Electric defibrillation

6 (23.0)

2 (7.7)

0.12

Minutes from EMS call to first touch

8.0 (6.0–10.0)

8.5 (7.0–12.0)

0.36

Minutes from EMS call to hospital arrival

32.0 (23.0–37.0)

33.0 (29.0–39.0)

0.22

  1. Data are shown as number (%) or median (interquartile range: IQR).
  2. Abbreviations: IQR; interquartile range, ROSC; return of spontaneous circulation, PEA; pulseless electrical activity, VF/VT; ventricular fibrillation/ ventricular tachycardia, CPR; cardiopulmonary resuscitation, EMS: emergency medical service.