Age at diagnosis (yr) (N = 49) | 108 (48–156) | 1.02 (0.99–1.04) | .091 |
Primary malignancy | | | .005 |
Lung (n = 24) | 58 (31–120) | – | |
Breast (n = 7) | 48 (21–456) | – | |
Melanoma (n = 5) | 87 (15–734) | – | |
CNS (n = 4) | 763 (19–1261) | – | |
Renal (n = 3) | 299 (231–643) | – | |
Other (n = 6) | 503 (24–884) | – | |
Lung/breast primary malignancy | | | <.001 |
Nonlung/nonbreast (n = 18) | 308 (87–689) | – | |
Lung/breast (n = 31) | 57 (33–117) | – | |
Melanoma | | | .635 |
Nonmelanoma (n = 44) | 115 (40–166) | – | |
Melanoma (n = 5) | 87 (15–734) | – | |
CNS primary malignancy | | | .018 |
Non-CNS (n = 45) | 104 (42–127) | – | |
CNS (n = 4) | 763 (19–1261) | – | |
ISCM diagnosis precedes primary malignancy diagnosis | | | .361 |
No (n = 44) | 104 (42–184) | – | |
Yes (n = 5) | 127 (21–187) | – | |