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Table 2 The proportion of times the observed number of events or more occurred according to the expected number of events when the incidence in the oldest age group is 500 times the incidence in the youngest age group

From: Evaluation of stability of directly standardized rates for sparse data using simulation methods

Observed number of events Expected number of events
1 2 3 4 5
Proportion of times the observed number of events or more occurred
None 100.0 100.0 100.0 100.0 100.0
1 63.1 86.9 95.1 98.3 99.5
2 26.8 60.0 79.8 91.2 96.2
3 7.8 33.1 57.3 76.5 88.1
4 1.8 14.7 35.1 56.7 73.2
5 0.3 5.5 18.1 36.8 55.5
6 0.0 1.6 7.9 21.3 38.3
7 0.0 0.5 3.2 10.7 24.5
8   0.1 1.4 4.9 13.7
9   0.0 0.3 2.1 7.2
10   0.0 0.1 0.8 3.3
11   0.0 0.0 0.3 1.5
12    0.0 0.1 0.6
13    0.0 0.0 0.2
14     0.0 0.1
15     0.0 0.0
16      0.0