Table 1.

Frequency of BLM c.1642C>T (p.Q548X) heterozygotes among subjects of Slavic origin

Study	Location	Subjects	Frequency
Sokolenko et al., 2012	Russia, St. Petersburg	cancer-free	5/2,184 (0.23%)
Prokofyeva et al., 2013	Belarus	cancer-free females	2/1,235 (0.16%)
Antczak et al., 2013	Poland	cancer-free males	15/2,604 (0.58%)
Anisimenko et al., 2014	Russia, Novosibirsk		35/7,920 (0.44%)
Bogdanova et al., 2015	Russia, Ufa	cancer-free	0/604 (0.00%)