Table 1.
Demographics and characteristics of 113 patients who received rebiopsy.
| Variables | Factors | Number (%) |
|---|---|---|
| Sex | Male | 54 (47.8) |
| Female | 59 (52.2) | |
| Mean age (year) | 59.2 ± 10.5 | |
| Smoking status | Yes | 31 (27.4) |
| History of lung surgery | Yes | 18 (15.9) |
| Stage | IIIB | 5 (4.4) |
| IV | 108 (95.6) | |
| ECOG performance status | 0–2 | 105 (92.9) |
| 3–4 | 8 (7.1) | |
| Target lesion | Primary | 66 (58.4) |
| Metastasis | 47 (41.6) | |
| Tumor size (cm) | 3.4 ± 1.3 | |
| Biopsy site | Upper lobe | 58 (51.3) |
| Middle lobe | 8 (7.1) | |
| Lower lobe | 47 (41.6) | |
| Treatment method | EGFR-TKI | 37 (32.7) |
| Chemotherapy | 44 (38.9) | |
| TKI plus chemotherapy | 32 (28.3) | |
| Initial pathology | Adenocarcinoma | 101 (89.4) |
| Non-adenocarcinoma | 12 (10.6) | |
| Mean treatment time (M) | 13.3 ± 5.5 |
ECOG, Eastern Cooperative Oncology Group; M, months.