Table 2

The probability* (y) of the LQAS test failing to reject the null hypothesis H0: p ≥ 10% for different levels of the true population prevalence (x).

True population prevalence of GAM
5%
6%
7%
8%
9%

Probability of failing to reject H0: p ≥ 10%
12.3%
30.2%
52.4%
72.2%
86.0%

* Based on binomial test

Assuming survey sample size of 198 and decision rule (count of GAM cases to reject null) of 13 (n = 198, d = 13).

Bilukha and Blanton Emerging Themes in Epidemiology 2008 5:25   doi:10.1186/1742-7622-5-25