Indberetningsfrekvensen klassificeres som meget almindelig (≥ 1/ 10), almindelig (≥1/ 100, < 1/ 10), usædvanlig (≥1/ 1. 000, < 1/ 100), sjælden (≥1/ 10. 000, < 1/ 1. 000), meget sjælden (< 1/ 10. 000), herunder enkeltstående indberetninger.
The reporting rate is classified as very common (≥ 1/ 10), common (≥ 1/ 100, < 1/ 10), uncommon (≥ 1/ 1,000, < 1/ 100), rare (≥ 1/ 10,000, < 1/ 1,000), very rare (< 1/ 10,000), including isolated.