Table 3.

Results at various prediction threshold cut-offs that can be used to select the threshold used by any future epidemiology study when selecting the non-death end of observations

Finding people who are still alive….
	Prediction threshold	Sensitivity of alive	Specificity of alive	Positive predictive value of alive	Proportion of target population
If you choose by prediction threshold less than …
	0.5	99.474	61.895	99.046	0.980
	0.1	98.149	90.282	99.752	0.960
	0.01	91.351	97.196	99.923	0.892
If you choose by sensitivity …
	0.00103	50	99.658	99.983	0.488
	0.0085	90	97.375	99.927	0.879
	0.252	99	78.624	99.460	0.971
If you choose by specificity …
	0.104	98.177	90	99.747	0.960
	0.00196	70.264	99	99.964	0.686
	0.00055	34.636	99.9	99.993	0.338