Allelic imbalances of chromosomes 8p and 18q and their roles in distant relapse of early stage, node-negative breast cancer

Table 3 Distribution of 8p/18q allelic imbalance combinations among different cancer types

Allelic type	IDC		CRC^a		PCA^a		Exact p-value
	cases	frequency	cases	frequency	cases	frequency
8pR/18qR	0	0%	27	15%	12	14%
8pR/18qAI	10	28.5%	25	14%	18	21%	0.03
8pAI/18qR	10	28.5%	35	19%	19	22%
8pAI/18qAI	15	43%	93	52%	36	42%

^aNumber of cases and their frequencies for CRC and PCa are based on data from Zhou et al Lancet 2002, 359:219–225 and Zhou et al The Prostate 2004, 61:(1): 81–91. AI, allelic imbalance, R, retention (no allelic imbalance). IDC, Infiltrative ductal carcinoma of breast; CRC, adenocarcinoma of colorectal cancer; PCA, adenocarcinoma of prostate cancer,

ISSN: 1465-542X