Table 3.

 Primary and sensitivity analyses of ICD effectiveness. Figures are hazard ratios (95% CI) adjusted for high dimension propensity score (hdPS)

*Complete case analyses not conducted in secondary cohort because of smaller size of cohort.

	Primary cohort				Secondary cohort
	ICD/no ICD	Death	Sudden cardiac death		ICD/no ICD	Death	Sudden cardiac death
Primary analyses	5258/17 853	0.91 (0.82 to 1.00)	0.95 (0.78 to 1.17)		412/17 853	1.01 (0.79 to 1.29)	1.20 (0.71 to 2.00)
hdPS matched analyses	2254/2254	0.92 (0.77 to 1.09)	1.03 (0.78 to 1.35)		291/291	0.99 (0.72 to 1.37)	1.50 (0.94 to 2.38)
Complete case analyses	1801/3261	0.87 (0.72 to 1.05)	1.15 (0.79 to 1.66)		—*	—*	—*