. Author manuscript; available in PMC: 2013 Nov 21.

Published in final edited form as: Breast Cancer Res Treat. 2007 May 31;108(3):10.1007/s10549-007-9613-9. doi: 10.1007/s10549-007-9613-9

Table 4.

Histology, tumor stage and the ΔmtDNA⁴⁹⁷⁷ mutation (Median, 25^th and 75^th percentile) of tumor and adjacent tissue in patients with breast cancer and benign breast disease

	Tumor tissue		Adjacent tissue
	No. of patients	Median (25^th, 75^th percentile)	Median (25^th, 75^th percentile)
Benign breast diseases
Non-proliferative lesions	9	6.7 (2.0, 7.7)	14.6 (5.1, 67.4)
Proliferative lesions	9	1.3 (0.9, 21.1)	2.9 (1.1, 15.9)
p-value^a		0.723	0.185
Breast cancer (by TNM stage)
I, IIa	30	5.1(1.9, 28.4)	12.3(2.0, 77.1)
IIb, III	25	4.0(2.1 13.7)	4.6(1.2, 33.5)
p-value ^a		0.966	0.343

p-value derived from Wilcoxon rank sum test