Table:
canadian-born
all-cause
circulatory diseases
digestive diseases
cancer

ashr
95% confidence interval
ashr
95% confidence interval
ashr
95% confidence interval
ashr
95% confidence interval

from
to
from
to
from
to
from
to

poland

refugees
454.4
437.1
472.4
93.2
85.1
102.2
60.4
54.6
66.8
64.5
58.3
71.3

economic
501.5
465.9
539.8
116.3
98.8
136.8
64.4
52.6
78.9
69.5
57.7
83.8

vietnam

refugees
375.4
359.8
391.6
54.8
48.8
61.5
52.7
47.1
59.0
59.2
53.5
65.5

economic
284.4
259.8
311.3
29.6
22.3
39.3
36.9
28.7
47.6
66.5
54.9
80.4

middle east

refugees
605.8
583.4
629.2
135.4
124.4
147.4
76.9
69.6
85.0
50.9
44.9
57.7

economic
403.9
383.1
425.8
75.1
66.0
85.5
56.1
48.8
64.6
62.7
55.0
71.5

Statement: by contrast, the ashrs of polish refugees were similar to those of their economic class counterparts.
Question: what was the number of the ashrs of polish refugees?
Answer: [454.4]