Table 1.
Clinical characteristics of non-small cell lung cancer (NSCLC) patients, circulating tumor cells (CTC) status, and statistical association.
| Clinical Characteristics | n | % | Negative ≤1 CTC | Positive ≥1 CTC | p-Value | Negative ≤3 CTC | Positive ≥3 CTC | p-Value | |
|---|---|---|---|---|---|---|---|---|---|
| Gender | Female | 46 | 54.1 | 82.6 | 17.4 | 0.429 | 91.3 | 8.7 | 1 |
| Male | 39 | 45.9 | 74.4 | 25.6 | 89.7 | 10.3 | |||
| Histology | AC | 61 | 76.3 | 75.4 | 24.6 | 0.539 | 88.5 | 4.9 | 0.672 |
| SCC | 19 | 23.8 | 84.2 | 15.8 | 94.7 | 5.3 | |||
| n.a. | 5 | ||||||||
| Brain Metastasis | Yes | 51 | 60.0 | 80.4 | 19.6 | 0.788 | 88.2 | 11.8 | 0.467 |
| No | 34 | 40.0 | 76.5 | 23.5 | 94.1 | 5.9 | |||
| Brain Operation | Yes | 41 | 80.4 | 87.8 | 12.2 | 0.017 | 95.1 | 4.9 | 0.01 |
| No | 10 | 19.6 | 50.0 | 50.0 | 60.0 | 40.0 | |||
| Oligo-Brain | Yes | 30 | 60.0 | 86.2 | 13.8 | 0.279 | 96.7 | 3.3 | 0.035 |
| No | 20 | 40.0 | 70.0 | 30.0 | 75.0 | 25.0 | |||
| n.a. | 1 | ||||||||
| Bone Metastasis | Yes | 15 | 17.6 | 60.0 | 40.0 | 0.077 | 80.0 | 20.0 | 0.144 |
| No | 70 | 82.4 | 82.9 | 17.1 | 82.9 | 7.1 | |||
| n.a. | |||||||||
| Adrenal Gland Metastasis | Yes | 14 | 16.9 | 50.0 | 50.0 | 00.01 | 78.6 | 21.4 | 0.128 |
| No | 69 | 83.1 | 84.1 | 15.9 | 92.8 | 7.2 | |||
| n.a. | 2 | ||||||||
| Lung Metastasis | Yes | 21 | 24.7 | 66.7 | 33.3 | 0.132 | 85.7 | 14.3 | 0.402 |
| No | 64 | 75.3 | 82.8 | 17.2 | 92.2 | 7.8 | |||
AC: adenocarcinoma SCC: squamous cell carcinoma; n.a.: data not available.