Clinical Study
Heart Rate Variability Is Associated with Survival in Patients with Brain Metastasis: A Preliminary Report
Table 1
Baseline patient characteristics (
).
| Characteristics | No. | (%) |
| Gender | | | Female | 21 | 52.5% | Male | 19 | 47.5% | Age | | | Median (range) | 61 (39–75) | <65 | 24 | 60.0% | ≥65 | 16 | 40.0% | Primary | | | NSCLC | 24 | 60.0% | SCLC | 6 | 15.0% | Breast cancer | 4 | 10.0% | Others | 6 | 15.0% | BM at diagnosis | | | Not | 23 | 57.5% | Yes | 17 | 42.5% | KPS | | | Median (range) | 70 (30–80) | <70 | 16 | 40.0% | ≥70 | 24 | 60.0% | Extracranial metastasis | | | Without | 7 | 17.5% | With | 33 | 82.5% | Primary status | | | Not controlled | 35 | 87.5% | Controlled | 5 | 12.5% | RPA Class | | | I | 1 | 2.5% | II | 23 | 57.5% | III | 16 | 40% |
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NSCLC: Nonsmall cell lung cancer, SCLC: small cell lung cancer, BM at diagnosis: brain metastases confirmed at primary diagnosis, KPS: Karnofsky performance status, and RPA: recursive partitioning analysis.
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