Table 1 Demographic data for all patients diagnosed with BC-LMD at Moffitt Cancer Center between 2011 and 2020
|  | Total | HR +  | HER2 +  | TNBC |
|---|---|---|---|---|
Number of patients | 128 | 66 | 34 | 28 |
Median age at BC diagnosis | 51 [22, 79] | 55 [25, 76] | 50.5 [22, 79] | 45.5 [24, 69] |
Median age at CNS metastasis | 53 [26, 81] | 55 [38, 68] | 52 [32, 81] | 47 [26, 66] |
Median age at LMD diagnosis | 54 [27, 83] | 58.5 [27, 79] | 53.5 [29, 83] | 48 [27, 70] |
Race | ||||
 Black | 12 (9.3%) | 7 (11%) | 1 (2.9%) | 4 (14%) |
 Other | 21 (16%) | 10 (15%) | 6 (18%) | 5 (18%) |
 White | 95 (74%) | 49 (74%) | 27 (79%) | 19 (68%) |
Stage at BC diagnosis | ||||
 <=2 | 43 (34%) | 21 (32%) | 10 (29%) | 12 (43%) |
 =>3 | 77 (60%) | 41 (62%) | 22 (65%) | 14 (50%) |
Systemic metastasis | 100 (78%) | 57 (86%) | 27 (79%) | 16 (57%) |
CNS metastasis | 114 (89%) | 56 (85%) | 31 (91%) | 27 (96%) |
MRI only confirmed LMD diagnosis | 70 (55%) | 40 (61%) | 19 (56%) | 11 (39%) |
MRI + CSF confirmed LMD diagnosis | 54 (42%) | 25 (38%) | 14 (41%) | 15 (54%) |