Table 3.

Aortic dissection in pregnancy: incidence and mortality from Hospital Episode Statistics/Office of National Statistics

	Incidence per 100 000/year
Year	2003–2005	2006–2008	2009–2011	Total
Aortic dissection (maternities)	0.74 (0.73 to 0.75)	1.38 (1.37 to 1.39)	1.52 (1.51 to 1.53)	1.23 (1.22 to 1.24)
Aortic dissection (conceptions)	0.55 (0.54 to 0.56)	1.03 (1.02 to 1.04)	1.16 (1.15 to 1.17)	0.92 (0.91 to 0.93)
Death within 42 days of aortic dissection (maternities)	0.46 (0.45 to 0.47)	0.32 (0.31 to 0.33)	0.15 (0.14 to 0.16)	0.30 (0.29 to 0.31)
Death within 1 year of aortic dissection (maternities)	0.46 (0.45 to 0.47)	0.32 (0.31 to 0.33)	0.15 (0.14 to 0.16)	0.30 (0.29 to 0.31)