Table 3.

B/M values in all analyzed cohorts. Cohorts of healthy individuals and patients with rectal cancer and breast cancer have unknown BRCA1/2 mutation status.

	Mean B/M Value (2 Gy)	p-Value	95% Confidence Interval
Patients with a BRCA1/2 mutation (n = 64)	0.468	---	0.445 to 0.491
Healthy individuals (n = 215)	0.411	<0.001	0.399 to 0.423
Patients with rectal cancer (n = 385)	0.439	0.039	0.420 to 0.459
Patients with breast cancer (n = 147)	0.447	0.235	0.426 to 0.468