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Univariate analysis to identify factors affecting overall survival of patients with synchronous brain metastases
| Variable | Cases | Median OS (months) | P-value |
|---|---|---|---|
| Age (years) | 0.144 | ||
| <54 | 10 | 13.8 | |
| ≥54 | 12 | 10.8 | |
| Sex | 0.746 | ||
| Male | 16 | 10.8 | |
| Female | 6 | 34.9 | |
| NSCLC stage | 0.020 | ||
| I and II | 7 | 34.9 | |
| III | 15 | 8.9 | |
| Number of brain metastases | 0.515 | ||
| 1 | 16 | 12.5 | |
| ≥2 | 6 | 8.8 | |
| Management of lung cancer | 0.005 | ||
| Radical treatment | 10 | 13.8 | |
| Nonradical treatment | 12 | 8.7 |
Abbreviations: NSCLC, non–small-cell lung cancer; OS, overall survival.
