Demographics of the patient population included in the analysis.
| Stratification factors | Patients | N% | |
|---|---|---|---|
| Therapy group | Non systemic | 63 | 63.6% |
| Systemic | 36 | 36.4% | |
| Biological sex | Female | 42 | 42.4% |
| Male | 57 | 57.6% | |
| PS ≥ 2 | No | 67 | 67.7% |
| Yes | 32 | 32.3% | |
| Number of brain metastases | No brain metastasis (GTR) | 4 | 4.0% |
| 1 brain metastasis | 26 | 26.3% | |
| 2–4 brain metastasis | 40 | 40.4% | |
| > 4 brain metastasis | 29 | 29.3% | |
| Systemic metastases in addition to brain metastases | No | 41 | 41.4% |
| Yes | 58 | 58.6% | |
| Neurological symptoms | No | 34 | 34.3% |
| Yes | 65 | 65.7% | |
| Lung adenocarcinoma | No | 65 | 65.7% |
| Yes | 34 | 34.3% | |
PS: performance status; GTR: gross tumor resection.
Maria P: Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Software, Visualization, Writing—original draft. KP: Conceptualization, Supervision, Validation, Writing—review & editing. Michalis P: Conceptualization, Formal analysis, Software, Visualization, Writing—review & editing. STN: Conceptualization, Data curation, Investigation, Project administration, Writing—review & editing. ZL: Conceptualization, Data curation, Investigation, Project administration, Writing—review & editing. DA: Conceptualization, Data curation, Investigation, Writing—review & editing. Christina A: Conceptualization, Data curation, Investigation, Writing—review & editing. Christos A: Conceptualization, Data curation, Investigation, Writing—review & editing. CP: Conceptualization, Methodology, Resources, Software, Supervision, Validation, Writing—review & editing. VK: Conceptualization, Formal analysis, Methodology, Software, Supervision, Validation, Writing—review & editing. AZ: Conceptualization, Methodology, Resources, Supervision, Validation, Writing—review & editing. All authors read and approved the submitted version.
The authors declare that they have no conflicts of interest.
The Ethics Committee of Aretaieion University Hospital of Athens, Greece, approved the study. The study received the following protocol number: 34/20-04-18. This study was conducted in accordance with the Declaration of Helsinki.
Informed consent to participate in the study was obtained from all participants.
Not applicable.
The datasets supporting the findings of this study are available from the corresponding author upon reasonable request.
Not applicable.
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