Table 2.

Characteristics of each risk category and associated recommendation.

Risk category	Predicted probability	LR+	LR-	Net benefit	Proportion of individuals (%)	Proposed action
Low	<0.008	2.51	0.19	0.0035	40	Probability of death is below prevalence. Consider treating the patient in primary care
Medium	0.008 − 0.029	–	–		20	Probability of death is higher than prevalence. If you decide to treat the patient in primary care, follow him/her closely
High	≥0.03	5.32	0.91	0.0077	20	Probability of death is in the top quintile. Consider referring the patient to the hospital

LR+: positive likelihood ratio; LR-: negative likelihood ratio.