16 MEDICAL BOOKS ONLINE! Review excerpts from medical books online, free, without registration, for more information about the prevalence and/or incidence of Methotrexate toxicity.
Of the approximately 45,000 snakebites that occur in the United States each year, 7,000 to 8,000 are from poisonous snakes, resulting in 5 to 6 deaths. Such bites are most common during summer afternoons in grassy or rocky habitats.
Pit vipers are nocturnal but active snakes that are responsible for 99% of venomous snake bites in the United States. Coral snakes are also nocturnal, but their placidity makes coral snake bites less common than pit viper bites. Coral snakes tend to bite with a chewing motion, and may leave multiple fang marks, small lacerations, and extensive tissue destruction.
Source: Professional Guide to Diseases (Eighth Edition), 2005
The term 'prevalence' of Methotrexate toxicity usually refers to the estimated population of people who are managing Methotrexate toxicity at any given time. The term 'incidence' of Methotrexate toxicity refers to the annual diagnosis rate, or the number of new cases of Methotrexate toxicity diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.
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