Table 1.
Relationships between plasma free DNA levels and clinical parameters in NSCLC patients.
| Parameters | Cases (n = 116) | Plasma free DNA level (ng/mL) | t | p |
|---|---|---|---|---|
| Sex | ||||
| Male | 64 | 198.38 ± 80.98 | 1.9845 | 0.47 |
| Female | 52 | 203.56 ± 97.78 | ||
| Age | ||||
| ≤60 years | 49 | 194.32 ± 87.52 | 1.9830 | 0.56 |
| >60 years | 67 | 205.37 ± 89.64 | ||
| Tumor size | ||||
| <3 cm | 49 | 168.42 ± 68.17 | 1.9810 | 0.004 |
| >3 cm | 67 | 224.31 ± 94.56 | ||
| Pathology | ||||
| Adenocarcinoma | 60 | 207.90 ± 80.58 | 1.9824 | 0.36 |
| Squamous cell carcinoma | 56 | 192.98 ± 96.48 | ||
| Clinical stage | ||||
| I/II | 50 | 172.75 ± 72.87 | 1.9812 | 0.005 |
| III/IV | 66 | 221.88 ± 93.86 |
NSCLC, non-small cell lung cancer.