Table 2 Simulation results for cluster model B (one circular cluster, 30% of total area) with a mean survival time of 5
From: Optimizing the maximum reported cluster size in the spatial scan statistic for survival data
| Â | % of cens | Â | Maximum reported cluster size (MRCS) | Default Setting | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
3% | 4% | 5% | 6% | 8% | 10% | 12% | 15% | 20% | 25% | 30% | 35% | 40% | 45% | 50% | Overall | ||||
Circular window | 10% | Frequency | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 22 | 792 | 166 | 16 | 0 | 0 | Â | 1000 |
Sensitivity | – | – | – | – | – | 0.850 | 0.900 | 0.800 | 0.700 | 0.793 | 0.985 | 0.996 | 0.994 | – | – | 0.982 | 0.982 | ||
PPV | – | – | – | – | – | 0.895 | 0.783 | 1.000 | 0.667 | 1.000 | 1.000 | 0.928 | 0.820 | – | – | 0.984 | 0.985 | ||
30% | Frequency | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 4 | 61 | 678 | 252 | 2 | 0 | 0 | Â | 1000 | |
Sensitivity | – | – | – | – | – | – | 0.725 | 0.700 | 0.513 | 0.76 | 0.975 | 0.999 | 0.925 | – | – | 0.966 | 0.966 | ||
PPV | – | – | – | – | – | – | 1.000 | 0.778 | 1.000 | 0.986 | 0.999 | 0.935 | 0.771 | – | – | 0.981 | 0.982 | ||
50% | Frequency | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 4 | 42 | 800 | 149 | 2 | 0 | 0 | Â | 1000 | |
Sensitivity | – | – | – | – | – | – | 0.733 | - | 0.563 | 0.810 | 0.976 | 1.000 | 0.875 | – | – | 0.970 | 0.970 | ||
PPV | – | – | – | – | – | – | 1.000 | - | 1.000 | 0.998 | 0.999 | 0.924 | 0.716 | – | – | 0.987 | 0.987 | ||
70% | Frequency | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 851 | 113 | 9 | 18 | 0 | Â | 1000 | |
Sensitivity | – | – | – | – | – | – | – | – | 0.450 | 0.744 | 0.909 | 0.989 | 0.978 | 0.989 | – | 0.918 | 0.918 | ||
PPV | – | – | – | – | – | – | – | – | 1.000 | 1.000 | 0.997 | 0.912 | 0.778 | 0.699 | – | 0.980 | 0.980 | ||
Elliptical window | 10% | Frequency | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 3 | 24 | 757 | 176 | 31 | 3 | 1 | Â | 1000 |
Sensitivity | – | – | – | – | – | – | 0.700 | 0.875 | 0.717 | 0.796 | 0.981 | 0.988 | 0.987 | 1.000 | 1.000 | 0.977 | 0.977 | ||
PPV | – | – | – | – | – | – | 0.875 | 0.825 | 0.955 | 0.995 | 0.997 | 0.921 | 0.796 | 0.732 | 0.606 | 0.975 | 0.976 | ||
30% | Frequency | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 13 | 90 | 619 | 262 | 12 | 1 | 1 | Â | 1000 | |
Sensitivity | – | – | – | – | – | – | 0.750 | - | 0.627 | 0.761 | 0.970 | 0.992 | 0.983 | 1.000 | 1.000 | 0.952 | 0.953 | ||
PPV | – | – | – | – | – | – | 0.917 | - | 1.000 | 0.991 | 0.997 | 0.926 | 0.766 | 0.741 | 0.606 | 0.974 | 0.973 | ||
50% | Frequency | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 74 | 750 | 156 | 10 | 2 | 1 | Â | 1000 | |
Sensitivity | – | – | – | – | – | – | 0.750 | - | 0.633 | 0.764 | 0.967 | 0.990 | 0.970 | 1.000 | 1.000 | 0.954 | 0.953 | ||
PPV | – | – | – | – | – | – | 1.000 | - | 1.000 | 0.995 | 0.995 | 0.916 | 0.765 | 0.742 | 0.625 | 0.980 | 0.979 | ||
70% | Frequency | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 15 | 666 | 156 | 147 | 8 | 4 | Â | 1000 | |
Sensitivity | – | – | – | – | – | – | – | 0.900 | 0.583 | 0.753 | 0.907 | 0.956 | 0.993 | 0.969 | 1.000 | 0.925 | 0.925 | ||
PPV | – | – | – | – | – | – | – | 0.900 | 1.000 | 1.000 | 0.997 | 0.876 | 0.812 | 0.686 | 0.616 | 0.947 | 0.946 | ||