Table 2. Incidence of cardiogenic shock per 100,000 person years.

	18-63 years			64-77 years			> 77 years		P-trend
	Incidence*	95% CI		Incidence	95% CI		Incidence	95% CI
*Incidence per 100,000 person years; 95% CI derived assuming poisson distribution. P-trend calculated using Cochran-Armitage test.
All	6.47	6.1-6.8		34.34	32.4-36.4		74.87	70.6-79.3	< 0.001
Male	8.30	7.7-8.9		46.31	42.8-49.5		91.59	84.4-99.2	< 0.001
Female	4.66	4.2-5.1		23.25	21.1-25.6		62.41	57.3-67.8	< 0.001