Does repeated tapping (Sampling) increase the risk of infection(Neurosurgery) Meta-Analysis: Paper details: Using An Excel sheet for the analysis of result using Spss include the following: – 1) relation between rate of infection and frequancy of sampling and the percentage – 2) relation between repeated tapping vs non tapping and rate of infection with the percentage – 3) the device type and rate of infection with the percentage – 4) the device or shunt Duration and rate of infection with the percentage – *It should contain confidence interval and risk ratio. – *Write a paragraph about each result.