|
"Small Clusters"1
|
"Moderate Clusters"1
|
"Large Clusters"1
|
---|
|
#1
|
#2
|
#3
|
#4
|
#5
|
#6
|
#7
|
#8
|
#9
|
---|
|
Linear
|
U-shaped
|
Compact
|
Linear
|
U-shaped
|
Compact
|
Linear
|
U-shaped
|
Compact
|
---|
|
No. LZ = 6
|
No. LZ = 10
|
No. LZ = 8
|
No. LZ = 7
|
No. LZ = 7
|
No. LZ = 11
|
No. LZ = 12
|
No. LZ = 16
|
No. LZ = 13
|
---|
Population (1999, all ages)
| | | | | | |
Total
|
147794
|
153067
|
136704
|
360752
|
351089
|
404176
|
948557
|
954460
|
913030
|
Mean
|
24632.3
|
15306.7
|
17088.0
|
51536.0
|
50155.6
|
36743.3
|
79046.4
|
59653.8
|
76085.8
|
SD
|
35843.1
|
15350.6
|
16754.8
|
100719.4
|
101328.7
|
81488.4
|
223805.2
|
194750.3
|
224749.6
|
Min
|
6519
|
3963
|
6519
|
8267
|
7177
|
2949
|
5202
|
2259
|
4051
|
Max
|
97315
|
57355
|
57355
|
279841
|
279841
|
279841
|
788887
|
788887
|
788887
|
Expected No. AL
|
20.8
|
21.4
|
19.7
|
44.9
|
44.0
|
50.1
|
115.4
|
116.8
|
113.6
|
- No. AL: number of childhood acute leukemia; No. LZ: number of living zones in the cluster
- 1 "small", "moderate" and "large" clusters are clusters with about 20, 45 and 115 cases of childhood acute leukemia over the period 1990-2006, respectively.