Fig. 3
Fagan nomogram of the PECARN rule. The pre-test probability (prevalence) was 0.6 % (95 % CI 0.27 to 1.14 %) and the post-test probability was 0 % (95 % CI 0 to 1 %) when the rule was negative
Fig. 3 | Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine