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Table 3 Summary of the local cluster test results for male lung cancer for both risk magnitudes, by census tract level

From: Detecting cancer clusters in a regional population with local cluster tests and Bayesian smoothing methods: a simulation study

     Urban cluster Rural cluster
  Test   Parameter TP FP FN DR Sp PPV LR+ TP FP FN DR Sp PPV LR+
RR = 2 Besag & Newell k = 5 Mean 4 15 33 0.11 0.99 0.08 16.6 1 16 5 0.11 0.99 0.02 18.0
   CI [95%] 0-16 2-24 20-36 0-0.43 0.98-0.99 0-0.32 0-131.5 0-4 4-29 2-6 0-0.67 0.98-1 0-0.13 0-131.8
  k = 10 Mean 12 32 25 0.33 0.98 0.28 24.0 1 32 5 0.10 0.98 0.02 6.8
   CI [95%] 2-37 7-48 0-35 0.054-1 0.97-0.99 0.06-0.74 3.3-149 1-0 15-58 5-6 0-0.67 0.97-0.99 0-0.13 0-49.4
  k = 13 Mean 15 39 22 0.41 0.98 0.29 25.4 1 38 5 0.09 0.98 0.01 5.5
   CI [95%] 2-37 6-60 0-34 0.054-1.24 0.96-0.99 0.06-0.77 3.5-181.7 3-1 17-62 3-5 0-0.67 0.96-0.99 0-0.11 0-41.1
Kulldorff spatial scan   Mean 30 135 7 0.82 0.93 0.27 24.6 0 98 6 0.03 0.95 0.00 1.0
statistic   CI [95%] 2-37 11-588 0-33 0.05-1 0.64-0.99 0.034-0.63 1.8-90.6 0-1 14-425 5-6 0-0.03 0.7-0.99 0-0.03 0-1.5
Local Moran’s I   Mean 6 30 31 0.17 0.98 0.17 12.1 0 34 6 0.00 0.98 0.00 0.0
    CI [95%] 0-15 18-43 22-37 0-0.41 0.97-1 0-0.38 0-33 0-0 21-48 6-6 0-0 0.98-1 0-0 0-0
RR=4 Besag & Newell k = 5 Mean 22 16 15 0.59 0.99 0.27 86.6 3 16 3 0.55 0.99 0.08 82.0
   CI [95%] 12-34 4-26 3-24 0.32-0.92 0.98-0.99 0.14-0.48 35.9-305 0-6 5-30 0-6 0-0.16 0.99-1.0 0-0.2 0-0
  k = 10 Mean 34 39 3 0.92 0.98 0.48 51.7 2.781 35 3 0.46 0.98 0.08 29.2
   CI [95%] 29-37 12-66 0-7 0.78-1 0.96-0.99 0.34-0.72 26.3-133.5 0-6 11-63 0-6 0-0.16 0.98-1 0-0.19 0-105.2
  k = 13 Mean 35 49 2 0.95 0.97 0.44 43.3 3 42 3 0.43 0.98 0.06 22.8
   CI [95%] 32-37 16-86 7-10 0.86-1 0.95-0.99 0.28-0.66 21.2-102.4 0-6 12-82 0-6 0-0.16 0.97-1.0 0-0.17 0-105.2
Kulldorff spatial scan   Mean 37 475 0 1.00 0.76 0.09 5.7 1 136 5 0.12 0.93 0.01 2.8
statistic   CI [95%] 37-37 103-914 0-0 1-1 0.53-0.94 0.04-0.25 2.1-17.7 0-1 18-460 5-6 0-0.027 0.7-0.98 0-0.036 0-2
Local Moran I   Mean 24 24 13 0.65 0.99 0.51 57.7 0 35 6 0.00 0.98 0.00 0.0
    CI [95%] 15-31 13-35 6-22 0.41-0.84 0.98-0.99 0.34-0.68 27.1-109.2 0-0 21-48 6-6 0-0 0.96-0.99 0-0 0-0