. 2008 Sep 22;7:51. doi: 10.1186/1476-072X-7-51

Table 2.

Clusters identified by Bernoulli method stratified by mechanism

	Relative Risk	P-value	Number in Cluster
Total Injuries (# 1997)
1^st	2.16	0.005	25
2^nd	2.17	0.008	24
3^rd	1.41	0.005	154
4^th	2.37	0.013	17
Total			220 (11%)
Motor Vehicle Collision Injuries (# 413)
1^nd	6.88	0.001	15
2^rd	8.48	0.001	11
3^th	3.20	0.001	33
4^th	2.29	0.001	84
5^th	10.44	0.005	6
6^th	5.92	0.006	12
7^th	6.61	0.006	10
8^th	8.41	0.003	8
9^th	11.80	0.016	5
10^th	4.44	0.014	15
11^th	2.98	0.013	27
12^th	10.48	0.025	6
13^th	6.56	0.021	9
Total			241 (58%)
Pedestrian & Bicycle Injuries (# 219)
1^st	14.11	0.005	5
2^nd	3.71	0.013	18
Total			23 (10%)
Fall Injuries (# 1035)
1^st	3.38	0.001	18
Total			18 (2%)
Environmental Injuries (# 236)
None
Assault Injuries (# 94)
None