Много редки (< 1/ 10, 000), Редки (> 1/ 10 000, < 1/ 1 000), Нечести (> 1/ 1, 000, < 1/ 100), Чести (> 1/ 100, < 1/ 10), Много чести (> 1/ 10)
The following convention was used for the frequency (events/ no. of patients): very rare :< 1/10,000, rare :> 1/ 10,000 ,< 1/1 ,000, uncommon: > 1/ 1,000 ,< 1/100, common: > 1/ 100 ,< 1/10, very common: > 1/ 10