Distribution of the Endostatin Rare Allele (4349A) in patients with non-invasive and invasive tumours. The Rare allele was present in 2 of 44 patients with non-invasive tumours (4.5%) and 130 of 784 patients with invasive tumours (16.6%). Chi square test for trend; p = 0.033.
Balasubramanian et al. BMC Cancer 2007 7:107 doi:10.1186/1471-2407-7-107