Table 3.
SaTScan statistics for spatial cluster with significant higher incidence in Tai'an, 2006–2013
| Year | Cluster type | Town numbers | Observed cases | Expected cases | Relative risk | P value |
|---|---|---|---|---|---|---|
| 2006 | Most likely | 4 | 9 | 1·02 | 11·58 | <0·001 |
| Secondary | 4 | 13 | 2·74 | 6·96 | <0·001 | |
| 2007 | Most likely | 15 | 12 | 4·42 | 4·08 | 0·1 100 |
| 2008 | Most likely | 17 | 32 | 11·42 | 5·55 | <0·001 |
| 2009 | Most likely | 6 | 44 | 8·36 | 10·78 | <0·001 |
| 2010 | Most likely | 4 | 32 | 3·82 | 22·28 | <0·001 |
| 2011 | Most likely | 18 | 48 | 15·22 | 8·59 | <0·001 |
| 2012 | Most likely | 6 | 74 | 13·29 | 12·33 | <0·001 |
| Secondary | 1 | 8 | 0·95 | 8·96 | 0·0 015 | |
| 2013 | Most likely | 17 | 38 | 12·29 | 7·28 | <0·001 |
| Secondary | 1 | 8 | 0·43 | 21·51 | <0·001 |