Table 3.

Male cardiac fatality incidence rates and proportion survivorship comparisons before and after initiatives to improve access to AEDs from AY1982/83–2006/07 to AY2007/08–2019/20.

	# of deaths, athlete-seasons	Before initiative incidence rate (95% CI)	# of deaths, athlete-seasons	After initiative incidence rate (95% CI)	After vs. before IRR (95% CI)
Fatality rate comparisons
Commotio cordis deaths (n = 6)	5, 1,306,745	0.4 (0.1, 0.7)	1, 5,753,864	0.02 (0, 0.05)	0.05 (0.01, 0.4)
Non-traumatic sudden cardiac deaths (n = 10)	8, 1,306,745	0.6 (0.2, 1.0)	2, 5,753,864	0.03 (0, 0.1)	0.06 (0.01, 0.3)
Total deaths (n = 16)	13, 1,306,745	1.0 (0.5, 1.5)	3, 5,753,864	0.05 (0, 0.1)	0.05 (0.01, 0.2)
Incidence proportion survivorship comparisons	# of survivors, total incidents	Before initiative survivorship proportion (95% CI)	# of survivors, total incidents	After initiative survivorship proportion (95% CI)	After vs. before survivorship proportion ratio (95% CI)
Commotio cordis (n = 14)	2, 7	0.3, (0, 0.6)	6, 7	0.9 (0.6, 1.1)	3.0 (0.9, 10.1)
Non-traumatic sudden cardiac arrests (n = 13)	1, 9	0.1 (0, 0.3)	2, 4	0.5 (0, 1.0)	4.5 (0.6, 36.4)
Total incidents (n = 27)	3, 16	0.2 (0, 0.4)	8, 11	0.7 (0.5, 1.0)	3.9 (1.3, 11.4)

CI: confidence intervals; IRR: incidence rate ratio.

Rates and 95% confidence intervals are reported per 100,000 AS.