Table 4 Statistics of the cfDNA concentration in enrolled 28 patients (ng/ml)
Group | No(%) | Mean | S.D | 95%CI | Median | Range | P25-P75 |
|---|---|---|---|---|---|---|---|
Benign | 8 | 5.64 | 1.67 | 4.11–8.47 | 5.16 | 4.36 | 4.24–7.28 |
NSCLC | 20 | 7.64 | 3.79 | 4.79–9.38 | 7.29 | 13.71 | 4.42–9.81 |
Pathological type | |||||||
 AC | 12(60%) | 6.10 | 2.83 | 4.30–7.89 | 4.95 | 7.71 | 3.95–9.11 |
 SCC | 8(40%) | 9.94 | 4.03 | 6.57–13.31 | 8.62 | 10.16 | 6.24–13.93 |
TNM stage | |||||||
 I-II | 15(75%) | 6.42 | 2.67 | 4.94–7.89 | 5.84 | 7.71 | 4.01–9.00 |
 III-IV | 5(25%) | 11.29 | 4.59 | 5.59–16.99 | 13.73 | 9.87 | 6.36–15.00 |