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Table 2 Results for spatial-temporal outbreak detection of bacillary dysentery

From: Spatial–temporal pattern and risk factor analysis of bacillary dysentery in the Beijing–Tianjin–Tangshan urban region of China

Signal ID

Center

Start date

End date

Number of counties

Observed

Expected

RR

P value

1*

(116.96° E, 38.86° N)

2011/5

2011/6

8

1630

1313.02

3.65

0.000

2

(116.21° E, 40.22° N)

2011/2

2011/4

1

211

137.45

2.79

0.000

3

(118.36° E, 40.23° N)

2011/7

2011/9

12

618

490.99

1.4

0.000

4

(116.41° E, 39.65° N)

2011/1

2011/2

5

505

407.83

1.9

0.001

  1. Note: *indicates the most likely cluster, the others indicate secondary cluster, and RR is relative risk.