Table 1.
LQAS sampling plans used day by day at health centre level during the meningitis A vaccination campaign, Niger, December 2010
| Lot | Day of campaign | % Administrative coverage (at days of campaign) | N | d | LT% | UT% | α (%) | β (%) | V | U | Classification |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 8 | 69.44–77.71 (6–7) | 16 | 4 | 50 | 80 | 4 | 20 | 12 | 0 | Accepted |
| B | 9 | 68.64–73.11 (7–8) | 16 | 3 | 55 | 85 | 3 | 21 | 13 | 0 | Accepted |
| C | 10 | 75.24–77.72 (8–9) | 16 | 2 | 60 | 90 | 2 | 21 | 14 | 0 | Accepted |
N, lot sample size; d, decision value; LT, lower threshold; UT, upper threshold; V, number of vaccinated individuals found; U, number of unvaccinated individuals found.