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Fig. 2 | Environmental Health and Preventive Medicine

Fig. 2

From: Prevalence of needlestick and sharps injuries in the healthcare workers of Iranian hospitals: an updated meta-analysis

Fig. 2

Prevalence of NSIs in HCWs according to the studies conducted in Iran. This figure demonstrates the information of every single study according to the year of studies conducted, the first author, and the final outcome of the studies. The random effects analysis has been used to estimate the overall prevalence as it is mentioned at the bottom of the figure. This figure displays the estimation of each study with square and the 95% confidence interval for the relevant estimation with a horizontal line. Square size shows the weight of each study in meta-analysis. The diamond shown at the bottom of the figure indicates the weight of all squares. Horizontal diameter of the diamond shows the possible range of prevalence outcome. Two vertical lines are shown in the figure. The dotted vertical line which is in line with diamond vertical axis shows the overall meta-analysis outcome (pooled prevalence). Another continuous vertical line shows the null hypothesis or no effect which is zero in prevalence, incidence, and means

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