Table 2 Observed and true Rift Valley fever animal prevalence, associated exact 95% Confidence interval for two-stage cluster sampling and within sampling site prevalence by region
Region | Positive animals/No sampled | Observed [true] prevalence* (%) | 95% Confidence interval (%) | Within site prevalence range (%) |
|---|---|---|---|---|
Wilayas | 4/356 | 0.92 [0.95] | 0.25 – 3.38 | 0 – 2.47 |
Bir Lehlou | 1/90 | 0.69 [0.70] | 0.09 – 4.83 | 0 – 1.14 |
Tifariti | 4/89 | 4.96 [5.29] | 1.88 – 12.44 | 0 – 7.69 |
Mehaires | 1/84 | 1.22 [1.27] | 0.17 – 8.21 | 0 – 7.14 |
Mijek | 0/81 | 0 [0] | 0 – 0 | 0 – 0 |
Agwanit | 0/94 | 0 [0] | 0 – 0 | 0 – 0 |
Dougaj | 0/85 | 0 [0] | 0 – 0 | 0 – 0 |
Dahkla | 1/103 | 1.75 [1.84] | 0.24 – 11.48 | 0 – 1.75 |
TOT | 11/982 | 0.97 [1.00] | 0.33 – 2.85 | 0 – 7.69 |