TABLE 2.
Patient and Clinical Characteristics of the Entire Study Population (N = 1608)
| Characteristics at the Time of BM Diagnosis | Entire Population | |
|---|---|---|
| No. | % | |
| Sex | ||
| Male | 922 | 57.3 |
| Female | 686 | 42.7 |
| Y of BM diagnosis | ||
| 1986‐1999 | 146 | 9.1 |
| CT imaging at BM diagnosis | 80 | 5.0 |
| MRT imaging at BM diagnosis | 66 | 4.1 |
| 2000‐2009 | 636 | 40.0 |
| 2010‐2019 | 826 | 50.9 |
| Symptoms at BM diagnosis | ||
| Present | 1186 | 73.8 |
| Absent (diagnosis during screening) | 422 | 26.2 |
| Focal deficits | ||
| Present | 985 | 61.3 |
| Motor disorders | 486 | 30.2 |
| Motor disfunction of 1 extremity | 205 | 12.7 |
| Hemiparesis | 220 | 13.7 |
| Facial nerve palsy | 61 | 3.8 |
| Ataxia | 95 | 5.9 |
| Cranial nerve palsy | 204 | 12.7 |
| Hypesthesia | 124 | 7.7 |
| Aphasia | 164 | 10.2 |
| Vertigo | 481 | 29.9 |
| Absent | 623 | 38.7 |
| Signs of increased intracranial pressure | ||
| Present | 483 | |
| Headache | 397 | 24.7 |
| Nausea and emesis | 231 | 14.3 |
| Absent | 1125 | 75.3 |
| Seizures | ||
| Present | 224 | 13.9 |
| Generalized seizures | 123 | 7.6 |
| Focal seizures | 91 | 3.1 |
| Generalized and focal seizures | 10 | 0.6 |
| Absent | 1384 | 86.1 |
| Neuropsychological symptoms | ||
| Present | 233 | 14.5 |
| Organic brain disorder | 125 | 7.8 |
| Cognitive impairment | 87 | 5.4 |
| Memory disorders | 87 | 5.4 |
| Absent | 1375 | 85.5 |
Abbreviations: BM, brain metastases; CT, computed tomography; MRI, Magnetic resonance imaging .