Table 2.

Outcomes, by 2-year intervals and combined years, for principal and secondary TTC cohort.

	2007–2008	2009–2010	2011–2012	Total
	Principal
No. of patients	1540	2733	3795	8068
In-hospital mortality	1.8(1.2–2.6)	1.2(0.9–1.7)	1.1(0.8–1.5)	1.3(1.1–1.6)
30-day mortality	3.1(2.3–4.1)	2.1(1.6–2.7)	2.6(2.1–3.1)	2.5(2.2–2.8)
1-year mortality	6.8(5.6–8.1)	6.3(5.4–7.3)	7.4(6.6–8.3)	6.9(6.4–7.5)
Length of stay, days (SD)*	4.3(3.7)	4.0(3.2)	3.8(3.2)	4(3.3)
Discharged home*	75.3 (73.1–77.5)	73.9 (72.3–75.6)	72.7 (71.3–74.1)	73.6(72.7–74.6)
30-day readmission	12.2(10.5–13.8)	11.9(10.7–13.8)	11.2(10.2–12.2)	11.6(10.9–12.3)
	Secondary
No. of patients	2561	4009	5328	11898
In-hospital mortality	2.5(1.9–3.2)	3.6(3.1–4.3)	2.7(2.3–3.2)	3(2.7–3.3)
30-day mortality	4.3(3.5–5.2)	5.2(4.5–5.9)	4.6(4.1–5.2)	4.7(4.4–5.1)
1-year mortality	10.5(9.3–11.7)	11.3(10.4–12.4)	11.8(11–12.7)	11.4(10.8–11.9)
Length of stay, days (SD)	5.9(5.3)	5.9(5.2)	5.7(4.8)	5.8
Discharged home*	62(60.1–63.9)	58.7(57.2–60.2)	57.8(56.5–59.2)	59(58.1–59.9)
30-day readmission	16.4(15–18)	15.8(14.7–17)	15.3(14.4–16.4)	15.8(15.1–16.4)

SD: Standard deviation

TTC: Takotsubo cardiomyopathy

^*P for trend <0.05