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Table 1 Baseline demographic characteristics of cases and controls with histological attributes types of cancer cases

From: The association of polymorphic markers Arg399Gln of XRCC1 gene, Arg72Pro of TP53 gene and T309G of MDM2 gene with breast cancer in Kyrgyz females

Indicator Cases Controls
Kyrgyz ethnicity, N (%) 117 (100) 102 (100)
Age, mean ± SD 53.8 ± 9.3 45.8 ± 8.7a
Urban residents, N (%) 54 (46) 62 (61)a
Tumor morphology
 Infiltrating ductal carcinoma 54 (46)
 Lobular carcinoma 40 (34)
 Less prevalent types, including solid carcinoma, medullar carcinoma, fibrosarcoma, tubular adenocarcinoma 23 (20)
Degree of differentiation
 Highly differentiated 5 (4)
 Moderately differentiated 103 (88)
 Low differentiated 9 (8)
  1. SD standard deviation
  2. asignificant difference between groups using either t-test or 2*2 χ2 test where appropriate