Table 1.
Basic characteristics of enrolled patients. ECOG, Eastern Cooperative Oncology Group; CEA, Carcinoembryonic antigen; SCC. squamous cell carcinoma; CTC: Circulating tumor cells.
| Clinical Characteristics | N | Range/% |
|---|---|---|
| Age, median (years) | 63.0 | 31.0–91.0 |
| Sex, male/female | 26/24 | 52.0%/48.0% |
| ECOG performance status | ||
| 0 | 49 | 98.0% |
| 1 | 1 | 2.0% |
| Smoking history | ||
| Never | 34 | 68.0% |
| Former or Current | 16 | 32.0% |
| Operational method | ||
| Lobectomy + mediastinal lymph node dissection | 29 | 58.0% |
| Segmentectomy + mediastinal lymph node dissection | 17 | 34.0% |
| Wedge resection + mediastinal lymph node sampling | 4 | 8.0% |
| Pre-operative lab data | Value | Reference values |
| CEA (ng/mL), reference range | 2.8 ± 3.2 | < 5.0 |
| SCC (ng/mL), reference range | 1.0 ± 0.6 | < 2.5 |
| Albumin (g/dL) | 4.3 ± 0.3 | 3.5–4.5 |
| Hemoglobin (gm/dL) | 13.4 ± 1.6 | M: 13.5–17.5; F: 12–16 |
| Hematocrit (%) | 40.2 ± 4.51 | M: 41–53; F: 36–46 |
| WBC (cells/μL) | 8922.0 ± 16,418.0 | M: 3900–10,600 |
| Segment (%) | 60.3 ± 10.9 | 42.0–74.0 |
| Monocyte (%) | 6.1 ± 2.2 | 0.0–12.0 |
| Lymphocyte (%) | 29.5 ± 10.9 | 20.0–56.0 |
| Duration of Follow-up (months), Median (range) | 12.1 | (1.5–23.6) |