Table 3. Baseline characteristics of ES-SCLC patients with oligo-metastatic disease.
| Characteristics | Total patients (n=23) | TRT (n=12) | No-TRT (n=11) | P |
|---|---|---|---|---|
| Age (years), median [range] | 64 [45–75] | 65.5 [45–75] | 61 [48–72] | 0.956 |
| Gender | 1.000 | |||
| Male | 21 | 11 | 10 | |
| Female | 2 | 1 | 1 | |
| Smoking | 0.590 | |||
| Yes/ever | 19 | 9 | 10 | |
| Never | 4 | 3 | 1 | |
| ECOG PS score | 1.000 | |||
| 0–1 | 16 | 8 | 8 | |
| 2–3 | 7 | 4 | 3 | |
| Response | 0.317 | |||
| PR + CR | 18 | 8 | 10 | |
| SD + PD | 5 | 4 | 1 |
ES-SCLC, extensive-stage small cell lung cancer; TRT, thoracic radiotherapy; no-TRT, without thoracic radiotherapy; ECOG, Eastern Cooperative Oncology Group; PS, performance status; PR, partial response; CR, complete response; SD, stable disease; PD, progressive disease.