Table 2.
Year | Location(s)a | Observed | Expected | P-value |
---|---|---|---|---|
1980 | Central (Howard) | 189 | 15.52 | P < 0.0001 |
1988 | Central, South (Laclede) | 762 | 337.18 | P < 0.0001 |
2005 | Central, Southwest (Dallas) | 711 | 263.86 | P < 0.0001 |
2006 | Southwest (Dade) | 246 | 42.64 | P < 0.0001 |
2007 | East (Lincoln) | 843 | 91.31 | P < 0.0001 |
2010 | Central (Saline) | 150 | 3.11 | P < 0.0001 |
2012 | Central, West (Lafayette) | 5358 | 3223.70 | P < 0.0001 |
2013 | Northeast (Clark) | 270 | 20.94 | P < 0.0001 |
aDenotes county of approximate center of each cluster. Observed: the number of incidents in the most significant cluster only. Expected: the expected number of incidents in the cluster based on the random replications. The number of estimated HD cases was available only for the years presented here