Table 2.

Duration Related to Admission, Cooling, and Rewarming

	AIS head 3–4					AIS head 5
	MTH (32°C–34°C)		Fever control (35.5°C–37°C)			MTH (32°C–34°C)		Fever control (35.5°C–37°C)
Variable	N	Median (IQR)	N	Median (IQR)	P	N	Median (IQR)	N	Median (IQR)	P
Duration from the onset of TBI
To admission (min)	47	40 (31–61)	31	42 (28–58)	0.79	36	41.5 (30–65)	15	40 (29–54)	0.75
To start of cooling (min)	47	178 (143–250)				36	193 (133–270)
To 35.5°C	45	270 (210–405)				34	340 (193–504)
To 34°C	45	480 (300–665)				34	540 (363–725)
Duration of cooling (h)	36	74 (67–84)				27	81 (27–85)
Duration of rewarming (h)	37	72 (61–110)				29	84 (48–121)

AIS, Abbreviated Injury Score; IQR, interquartile range; MTH, mild therapeutic hypothermia; TBI, traumatic brain injury.