What was the prevalence of HSV infections during the second year of the study am

Question

What was the prevalence of HSV infections during the second year of the study among smokers and E-cigarette users? Express your answer per 1 000 people.

Consider the following information and data to answer the questions that follow A study was done to investigate the occurrence of cold sores, caused by HSV, among cigarette smokers as compared to E-cigarette users. The study was performed over a 4 year period among 1000 cigarette smokers and 2000 E-cigarette users. At the beginning of the study each individual was screened to verify the presence of latent HSV, an incurable infection. Total cases Year of E-cigarette study Cigarette 20 30 2 105 40

Explanation / Answer

During 2nd year the percentage of HSV infected smokers [total number of smokers is 1000]

= (40/1000) x 100 = 4%

During 2nd year the percentage of HSV infected E-cigarette users [total number of E-cigarette users is 2000]

= (105/2000) x 100 = 5.25% for 1000 people it should be divided by 2 i.e. 5.25/2 =2.625%

So smokers are more prevalent of HSV infection than E-cigarette users.

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