Table 2 Demographic data for patients with at least one month between the CNS metastatic disease diagnosis and the BC-LMD diagnosis
|  | Total | HR +  | HER2 +  | TNBC |
|---|---|---|---|---|
Number of patients | 48 | 19 | 19 | 10 |
Median age at CNS metastasis | 50.5 [26, 81] | 51 [38, 68] | 52 [32, 81] | 47.5 [26, 66] |
Median age at LMD diagnosis | 51.5 [27, 82] | 52 [39, 70] | 53 [37, 82] | 48 [27, 68] |
Race | ||||
 Black | 3 (6%) | 1 (5.3%) | 1 (5.3%) | 1 (10%) |
 Other | 5 (10%) | 3 (16%) | 2 (11%) | 0 (0%) |
 White | 40 (83%) | 15 (79%) | 16 (84%) | 9 (90%) |
Stage at diagnosis | ||||
 <=2 | 17 (35%) | 6 (32%) | 6 (35%) | 5 (50%) |
 =>3 | 29 (60%) | 13 (68%) | 11 (65%) | 5 (50%) |
MRI only confirmed LMD diagnosis | 28 (58%) | 14 (74%) | 10 (53%) | 4 (40%) |
MRI + CSF confirmed LMD diagnosis | 20 (42%) | 5 (26%) | 8 (42%) | 6 (60%) |