Table 1. Demographic and intraoperative details.

Variable	Overall (n=4,178)	Acute dissection (n=1,801)	Chronic dissection/elective (n=698)	Mixed urgency (n=1,679)	Patients (studies)
Age (years)	57 [54–60]	45 [45–45]	55 [54–56]	52 [52–53]	3,876 (35)
Male (%)	72 [68–75]	73 [68–78]	76 [68–83]	68 [61–75]	3,415 (24)
Hypertension (%)	76 [72–80]	74 [68–80]	82 [74–88]	76 [69–82]	3,096 (30)
Diabetes (%)	8 [6–12]	7 [4–12]	9 [4–18]	9 [5–15]	3,186 (27)
Renal dysfunction (%)	8 [6–11]	7 [5–11]	11 [6–19]	9 [4–18]	3,249 (24)
Concomitant CABG (%)	11 [9–14]	10 [8–12]	14 [8–21]	13 [9–19]	3,324 (29)
CPB time (mins)	206 [191–220]	199 [177–221]	202 [179–225]	222 [200–243]	3,568 (32)
Cross-clamp time (mins)	118 [112–125]	117 [107–126]	120 [97–143]	123 [110–136]	3,276 (28)
HCA time (mins)	46 [41–51]	48 [43–53]	42 [16–67]	41 [31–51]	2,446 (23)
ACP time (mins)	63 [56–69]	65 [57–74]	58 [40–76]	59 [49–68]	2,093 (21)
Lowest temperature (°C)	23 [23–24]	24 [24–24]	23 [23–24]	26 [25–26]	3,224 (29)

Data is presented as value [95% confidence interval]. ACP, antegrade cerebral perfusion; CABG, coronary artery bypass grafting; CPB, cardiopulmonary bypass; HCA, hypothermic circulatory arrest.