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<img src="/uploads/upload/image/5200/direct/1573828874134-missing%20values%20vid%20icon.png" alt="Protobi chart showing S2 question 'What grade nurse are you?' with [NA] missing values at 60.0% highlighted in green box, followed by Equivalent band responses (7+ at 24.0%, band 6 at 14.0%, band 5 at 2.0%, band 4 or below at 0.0%). Sample size N=100." style="width: 36px;" class="fr-fic fr-dib fr-fil"> <iframe src="https://player.vimeo.com/video/372881727" frameborder="0" allowfullscreen></iframe> ## Transcript [NA](/view-access/na-blank-missing-values) means not asked, not answered, or not applicable. In S2, we can see that 60% of respondents are NA. For General Practitioners, it is 100% NA because it has not been asked. For nurses, it is 0 percent NA.
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