Table 2

Clustered lot quality assurance sampling plan used to evaluate yellow fever and measles vaccination coverage, Sierra Leone, 28–29 November 2009
N d %LT %UT Clusterskxn SD range % Alpha range % Beta range
50 4 80 95 5x10 0-0.1 2-5 10-19
50 7 75 90 5x10 0-0.1 4-8 12-19
100 15 75 90 10x10 0-0.1 1-3 4-12
150 25 75 90 15x10 0-0.1 1-4 1-4

N: lot sample size; d: decision value; LT: lower threshold; UT: upper threshold; k: number of clusters; n: cluster sample size; SD: standard deviation.

Pezzoli et al.

Pezzoli et al. BMC Public Health 2012 12:415   doi:10.1186/1471-2458-12-415

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