Table 1: Baseline characteristics of patients treated and not treated with TTM within the path registry.

TTM

No TTM

(n = 976)

(n = 898)

P value

Male sex (%)

603 (61.8)

507 (56.5)

0.01

Median age (IQR), years

62 (51-73)

68 (56-78)

Initial cardiac arrest rhythm (%)

< 0.001

Asystole (Non-shockable)

207 (22.5)

190 (22.8)

PEA (Non-shockable)

316 (34.3)

415 (49.8)

VF/VT (Shockable)

398 (43.2)

229 (27.5)

Unknown

55

64

Witnessed (%)

699 (71.6)

745 (83.0)

< 0.001

Cardiac etiology of arrest (%)

616 (63.1)

504 (56.1)

0.001

Location of cardiac arrest (%)

< 0.001

In-hospital

191 (19.6)

665 (74.1)

Out-of-hospital

785 (80.4)

233 (25.9)

 

Abbreviations: IQR: Inter-quartile range; PEA: Pulseless electrical activity; VF: Ventricular fibrillation; VT: Pulseless ventricular tachycardia.