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

Kyrgyz ethnicity, N (%)

117 (100)

102 (100)

Age, mean ± SD

53.8 ± 9.3

45.8 ± 8.7^a

Urban residents, N (%)

54 (46)

62 (61)^a

 Infiltrating ductal carcinoma

54 (46)

–

 Lobular carcinoma

40 (34)

–

 Less prevalent types, including solid carcinoma, medullar carcinoma, fibrosarcoma, tubular adenocarcinoma

23 (20)

–

 Highly differentiated

5 (4)

–

 Moderately differentiated

103 (88)

–

 Low differentiated

9 (8)

–