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Table 4 Sensitivity and PPV of the secondary-cluster and the proposed procedures in the simulation study (five clusters with 33 regions)

From: Detecting multiple spatial disease clusters: information criterion and scan statistic approach

 

Detected regions (avg)

Sen (avg)

Sen = 1 (/1000)

PPV (avg)

PPV = 1 (/1000)

S2 (five clusters): RR = 1.5

 SCP

34.6

1.000

0.994

0.954

0.240

 Proposed

34.8

1.000

0.996

0.950

0.232

S3 (five clusters): RR = 1.3

 SCP

33.8

0.901

0.510

0.884

0.042

 Proposed

37.6

0.992

0.921

0.874

0.022

S4 (five clusters): RR = 1.2

 SCP

19.2

0.479

0.009

0.826

0.095

 Proposed

33.2

0.815

0.272

0.816

0.014

S5 (five clusters): RR = {1.6, 1.3, 1.4, 1.3, 1.2}

 SCP

28.7

0.806

0.043

0.930

0.177

 Proposed

35.2

0.961

0.647

0.905

0.063

S6 (single cluster): RR = 1.3

 SCP

12.0

1.000

0.999

0.930

0.446

 Proposed

13.1

1.000

0.999

0.873

0.374

S7 (single cluster): RR = 1.2

 SCP

11.6

0.909

0.851

0.875

0.205

 Proposed

12.7

0.912

0.855

0.822

0.173

  1. avg: average among 1000 simulation sets; Sen: sensitivity; PPV: positive predictive value; Sen = 1: the number of detection with Sen = 1 among 1000 sets; PPV = 1: the number of detection with PPV = 1 among 1000 sets