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Table 2 Sample Size Calculations per Zone

From: Sero-prevalence of yellow fever and related Flavi viruses in Ethiopia: a public health perspective

Zone/study site Estimated Seroprevalence (95% CI) Estimated sample size 15% oversampling number Number of samples per Zone Number of samples per Site
Zone 1 10% (3–17%) 142 21 164  
 A Gode      82
 B Degehabur      82
Zone 2 20% (5–35%) 54 8 62  
 A MizanTeferi      31
 B Pawe      31
Zone 3 3% (1–5%) 558 84 642  
 A Mendi      321
 B Dembidollo      321
Zone 4 12% (5–19%) 166 25 192  
 A Debremarkos      96
 B Robe (Bale Goba)      96
Zone 5 3% (1–5%) 558 84 642  
 A Guder      321
 B Robe (Arsi Zone)      321