Table 2.
SaTScan and EMST method applied to anthrax
| n | SaTScan |
EMST |
Comparisons |
||||||
|---|---|---|---|---|---|---|---|---|---|
| SN | FTC | FMLC | SN | FTC | FMLC | Δ SN, % | Δ FTC, % | Δ FMLC, % | |
| 400 | 0.98 | 0.32 | 0.65 | 0.98 | 0.48 | 0.49 | −0.4 | +48 | −24 |
| 600 | 0.88 | 0.28 | 0.53 | 0.86 | 0.39 | 0.40 | −2.3 | +38 | −25 |
| 800 | 0.60 | 0.19 | 0.44 | 0.72 | 0.32 | 0.32 | +19 | +68 | −28 |
| 1,000 | 0.53 | 0.17 | 0.37 | 0.60 | 0.26 | 0.26 | +12 | +55 | −31 |
| 1,200 | 0.35 | 0.11 | 0.32 | 0.52 | 0.21 | 0.22 | +46 | +100 | −31 |
n, no. of background cases added to cluster cases; SN, average sensitivity; FTC, average fraction of true cluster detected; FMLC, average fraction of most likely cluster coinciding with the true cluster (averaged over data sets for which a significant cluster was found); Δ, percent difference.