Table 1.

Characteristics of clinical practice stratified according temperature control: temperature control with normothermic target and temperature control with hypothermic target (32–34 °C vs. 34–36 °C)

Variables	TC normothermic target (n = 97)	TC (32–34 °C) (n = 156)	TC (34–36 °C) (n = 88)	p-value (Normothermia vs. Hypothermia)
OHCA treated per year
≤ 50	30 (31)	43 (28)	28 (32)	0.12
51–100	38 (39)	73 (47)	49 (56)
> 100	29 (30)	40 (26)	11 (13)
Size of hospital
≤ 100 beds	0 (0)	1 (1)	0 (0)	0.88
100–200 beds	8 (8)	13 (8)	6 (7)
200–500 beds	29 (30)	55 (35)	27 (31)
500–800 beds	20 (21)	31 (20)	22 (25)
≥ 800 beds	40 (41)	56 (36)	33 (38)
Cardiac arrest center
Certified cardiac arrets center	46 (47)	62 (40)	31 (35)	0.23
Certification planned (< 1 year)	14 (14)	28 (18)	21 (24)
Not certified and not planned	37 (38)	66 (42)	36 (41)
Duration hypothermic target temperature
24 h	–	136 (87)	72 (82)	–
48 h	–	16 (10)	7 (8)
72 h	–	4 (3)	9 (10)
Duration of temperature control
24 h	14 (14)	30 (19)	17 (19)	< 0.001
48 h	23 (24)	42 (27)	29 (33)
72 h	58 (60)	54 (35)	31 (35)
> 72 h	2 (2)	30 (19)	11 (13)
Rewarming rate
0.25 °C/h	–	94 (60)	43 (49)	–
0.5 °C/h	–	35 (22)	19 (22)
No controlled rewarming	–	6 (4)	16 (18)
Other	–	21 (13)	10 (11)
Cooling methods
Core cooling	68 (70)	120 (77)	66 (75)	0.24
Surface cooling-with feedback	43 (44)	59 (38)	32 (36)	0.23
Surface cooling-without feedback	24 (25)	11 (7)	8 (9)	< 0.001
Transnasal cooling	2 (2)	2 (1)	0 (0)	0.34
Cold infusions	25 (26)	21 (13)	10 (11)	< 0.05

Data are expressed as n (%) or median (interquartile range, IQR 25/75%)

OHCA, out-of-hospital cardiac arrest; TC, temperature control