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. Author manuscript; available in PMC: 2022 Jul 1.
Published in final edited form as: Heart Rhythm. 2021 Mar 6;18(7):1162–1170. doi: 10.1016/j.hrthm.2021.03.011

Table 1.

Patient characteristics.

All
(n=29)
TTM at 36°C
(n=6)
TTM at 33°C
(n=23)
p-
value
Demographics
Age 51.6±18.9 52.2±18.8 51.5±19.3 0.94
Gender (Male) 21 (72) 5 (83) 16 (70) 0.65
Race (African American) 10 (34) 1 (17) 9 (39) 0.63
Medical History
Body Mass Index (kg/m2) 30.63±8.99 28.37±4.91 31.22±9.78 0.33
Hypertension 18 (62) 5 (83) 13 (57) 0.36
Diabetes Mellitus 10 (34) 2 (33) 8 (35) 1.00
Stroke 4 (14) 0 (0) 4 (17) 0.55
Coronary artery disease 12 (41) 2 (33) 10 (43) 1.00
Social History
Smoking 13 (45) 5 (83) 8 (35) 0.06
Alcohol use 11 (38) 4 (67) 7 (30) 0.16
Illicit drug use 6 (21) 1 (17) 6 (26) 0.30
Initial Presentation
Shockable rhythm (VF or VT) 10 (34) 2 (33) 8 (35) 1.00
Time to ROSC (min) 14.24±12.78 14.67±17.14 14.13±11.87 0.93
Adrenaline doses 2.69±1.63 3.50±2.43 2.48±1.34 0.36
Blood pH 7.20±0.22 7.31±0.14 7.17±0.23 0.08
Blood lactate (mmol/L) 6.12±4.67 5.52±5.77 6.32±4.47 0.76
Outcome
CPC 3-5 (No Recovery) 18 (62) 3 (50) 15 (65) 0.65

Values are reported as mean ± standard deviation for continuous data and N (%) for categorical data. VT – ventricular tachycardia. VF – ventricular fibrillation. ROSC – restoration of spontaneous circulation. CPC – cerebral performance category.