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Table 1 Question, mean and universal CVIs calculation summary

From: Instrument to evaluate the knowledge of patient with cirrhosis on his disease: construction and validity

 

Question CVI

Mean CVI

Universal CVI

Numerator

number of answers "8", "9" or "10"

Summation of all questions' CVIs

Number of questions with CVI >  = 80

Denominator

Total number of answers

Total number of questions

Total number of questions

Example

A question was graded by 3 professionals as "8" and by 2 as "6". This question CVI is 60%

If there are five questions, three of them have a CVI of 80% and two of 100%, the mean CVI is 88%

If there are two questions with CVI >  = 80 and three with CVI < 80. The universal CVI will be 40%