TABLE 2—
Percentages of Significant SaTScan Clusters Containing at Least Half of the Simulated Cluster Points
| Significant Clusters With 5–10 of the Simulated Points | |||
| Radius of Simulated Cluster and No. of Regions | Exact Coordinates,% (No.) | Centroid,% (No.) | Odds Ratio (95% Confidence Interval) |
| Zip code | |||
| 0.5 km | |||
| 1 | 99 (994) | 98 (894) | 1.88 (1.05, 3.38) |
| 2 | 98 (963) | 78 (239) | 13.30 (8.23, 21.48) |
| 3 | 98 (963) | 89 (577) | 5.39 (3.39, 8.57) |
| 4 | 100 (1099) | 79 (253) | 291.0 (39.91, 2122.6) |
| 1 km | |||
| 1 | 99 (1094) | 98 (942) | 4.26 (1.90, 9.54) |
| 2 | 92 (728) | 85 (346) | 2.00 (1.47, 2.73) |
| 3 | 98 (993) | 82 (407) | 12.06 (7.39, 19.68) |
| 4 | 97 (913) | 79 (247) | 8.76 (5.65, 13.60) |
| 2 km | |||
| 1 | 97 (974) | 97 (857) | 1.10 (0.69, 1.74) |
| 2 | 88 (581) | 82 (282) | 1.69 (1.25, 2.27) |
| 3 | 85 (486) | 67 (233) | 2.84 (2.17, 3.71) |
| 4 | 69 (284) | 33 (41) | 4.71 (3.20, 6.92) |
| 3 km | |||
| 1 | 98 (1045) | 99 (1020) | 0.90 (0.47, 1.75) |
| 2 | 75 (340) | 82 (281) | 0.68 (0.52, 0.89) |
| 3 | 81 (434) | 51 (127) | 4.10 (3.09, 5.45) |
| 4 | 49 (125) | 53 (96) | 0.85 (0.62, 1.17) |
| Census tract | |||
| 0.5 km | |||
| 1 | 100 (1100) | 99 (1086) | ∞ |
| 2 | 99 (1081) | 99 (1049) | 1.42 (0.66, 3.03) |
| 3 | 99 (1011) | 91 (702) | 6.53 (3.91, 10.90) |
| 4 | 100 (1093) | 93 (628) | 21.32 (7.65, 59.45) |
| 1 km | |||
| 1 | 100 (1099) | 98 (1053) | 22.96 (3.08, 170.96) |
| 2 | 99 (1056) | 98 (975) | 1.44 (0.72, 2.91) |
| 3 | 94 (736) | 88 (622) | 2.22 (1.62, 3.03) |
| 4 | 95 (821) | 93 (681) | 1.58 (1.12, 2.23) |