Table 3 Association between cfDNA levels and breast cancer.
From: Efficacy of cell-free DNA as a diagnostic biomarker in breast cancer patients
| Â | Patients n(%) | Healthy control n(%) | AOR (C.I.) | P value |
|---|---|---|---|---|
cfDNA | ||||
 < 1000 ng/µl | 26 (31) | 137 (90.1) | Reference |  < 0.001 |
 > 1000 ng/µl | 58 (69.0) | 15 (9.9) | 1.003 (1.003–1.004) | |