From: Persistent upregulation of U6:SNORD44 small RNA ratio in the serum of breast cancer patients
 | Healthy subjects | All patients | ER/PR+ | ER/PR- | |||
---|---|---|---|---|---|---|---|
Number | 40 | 39 | Â | 24 | Â | 12 | 3a |
Age, yearsb | Â | Diagnosis | Analysis | Diagnosis | Analysis | Diagnosis | Analysis |
   Mean |  | 44 | 49.9 | 45.5 | 51.1 | 40.9 | 46.2 |
   Median | 20-70 | 43 | 50 | 46 | 53 | 40 | 45 |
   Range |  | 28-64 | 30-67 | 28-64 | 30-67 | 28-56 | 36-63 |
Node-positive/ Node-negative | N/A | 14/23 | Â | 8/16 | Â | 5/7 | Â |
Tumor type | N/A | Â | Â | Â | Â | Â | Â |
   Pre-invasive |  | 9 |  | 5 |  | 2 |  |
   Invasive |  | 28 |  | 17 |  | 10 |  |
Treatment | Â | Â | Â | Â | Â | Â | Â |
   Radiation |  | 24 |  | 13 |  | 8 |  |
   Chemotherapy |  | 28 |  | 16 |  | 10 |  |
   Hormone |  | 23 |  | 19 |  | 2 |  |