Table 7  Probability of true detection (sensitivity) for the L1-BYM model.a
SF = 1  SF = 2  SF = 4  SF = 10
Raised-risk area  θ= 1.5  θ= 2  θ= 3  θ= 1.5  θ= 2  θ= 3  θ= 1.5  θ= 2  θ= 3  θ= 1.5  θ= 2  θ= 3
Simu 1
 10% area (E = 0.84)  0.02  0.04  0.04  0.04  0.08  0.32  0.02  0.02  0.54  0.04  0.28  0.54
 25% area (E = 1.10)  0.26  0.34  0.38  0.24  0.38  0.40  0.16  0.46  0.88  0.44  0.52  0.98
 50% area (E = 1.92)  0.28  0.38  0.42  0.30  0.42  0.66  0.26  0.56  0.96  0.44  0.86  1
 75% area (E = 5.37)  0.08  0.24  0.74  0.06  0.50  0.94  0.20  0.78  1  0.68  1  1
 90% area (E = 7.38)  0.16  0.22  0.76  0.10  0.68  0.98  0.24  0.90  1  0.86  1  1
Simu 2
 1% cluster (Ē = 5.42)  0.17  0.35  0.91  0.23  0.64  1  0.39  0.95  1  0.85  1  1
Simu 3  θ* = 1.35  θ* = 1.65  θ* = 2.1  θ* = 1.35  θ* = 1.65  θ* = 2.1  θ* = 1.35  θ* = 1.65  θ* = 2.1  θ* = 1.35  θ* = 1.65  θ* = 2.1
 20 × 1% clusters (Ē range: 0.77–11.6)  0.10  0.31  0.55  0.16  0.48  0.75  0.35  0.70  0.89  0.65  0.90  0.98
aDecision rule is D(0.8, 1).