Table 1 Serum DNA concentrations of the patients and controls
From: Quantitation of circulating DNA in the serum of breast cancer patients by real-time PCR
Number of patients | Median concentration of DNA (ng ml−1) | Range (ng ml−1) | Percentage (%) of cases with DNA concentration>100ng ml−1 | P-value | |
|---|---|---|---|---|---|
Group A | 26 | 195 | 27–2275 | 65% | P=0.87 |
Group B | 22 | 191 | 24–3325 | 74% | (K–W test) |
Group C | 25 | 297 | 17–1466 | 72% | |
Group D | 23 | 225 | 24–2783 | 78% | |
Groups A–D | 96 | 221 | 17–3325 | 71.5% | P<0.001 |
Controls | 24 | 63 | 5-456 | 12.5% | (M–W test) |
