Scrubbing and rubbing
For routine surgical hand preparation alcohol-based handrubs are superior to scrubs because they are equally effective but cause less skin irritation, are cheaper, and use less water.
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Statistical term that describes the probability of a statistical statement. Results are significant, when it is unlikely that they are generated by chance. At a significance level < 0.05, the probability would be 5 % that the result is generated by chance. Statistical significance is verified by statistical tests that are adapted to the data material and make it possible to estimate the probability of error. Significance occurs when the probability of error is less than or equal to the significance level, i.e. the value which would still be accepted.
