Table 1

Sample description, by age classes and provinces of residence.

Age classes

Cases
Controls







%

%


15-29
25
40.3%
75
40.3%

30-39
16
25.8%
48
25.8%

40-49
21
33.9%
63
33.9%



Total
62
-
186
-

Provinces of residence

%

%


Bari
22
35.5%
66
35.5%

BAT
3
4.8%
9
4.8%

Brindisi
1
1.6%
3
1.6%

Foggia
19
30.6%
57
30.6%

Lecce
9
14.5%
27
14.5%

Taranto
8
12.9%
24
12.9%



Total
62
-
186
-

Martinelli et al. BMC Gastroenterology 2010 10:89   doi:10.1186/1471-230X-10-89

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