Table 1 Patient characteristics
From: Distant metastasis dynamics following subsequent surgeries after primary breast cancer removal
IBTR (338) | CBC (239) | Rec (312) | Controls (312) | |
|---|---|---|---|---|
Median age at diagnosis (years) | 45 | 48 | 48 | 49 |
25%–75% | 39–52 | 42–56 | 42–53 | 43–53 |
Range | 21–69 | 22–75 | 29–73 | 28–71 |
Tumour size (%) | ||||
T1 | 85 | 84 | 61 | 62 |
T2 | 12 | 15 | 29 | 30 |
T3/4 | – | – | 8 | 7 |
Missing | 3 | 1 | 2 | 1 |
Node negative (%) | 70 | 64 | 68 | 67 |
Node positive (%) | 30 | 36 | 32 | 33 |
ER negative (%) | 16 | 16 | 20 | 19 |
ER positive (%) | 63 | 53 | 70 | 70 |
ER missing (%) | 21 | 31 | 10 | 11 |