Table 1 Descriptive statistics of included and excluded women
Included (N = 654) | TMA not | Missing TMA- | Excluded for other | ||
|---|---|---|---|---|---|
Imputed | Original | evaluable (N = 64) | material (N = 194) | reasons (N = 106) | |
Mean age at diagnosisa (SD) | 65.5 | 65.5 (8.0) | 62.6 (8.1) | 65.9 (8.3) | 64.5 (9.1) |
BMI (SD) | 25.7 | 25.7 (4.2) | 25.2 (4.2) | 25.5 (3.7) | 25.7 (4.7) |
Year diagnosed | |||||
1991–2004 | 58.1 | 58.1 | 67.2 | 66.0 | 67.0 |
2005–2007 | 22.0 | 22.0 | 26.6 | 15.5 | 16.0 |
2008–2010 | 19.9 | 19.9 | 6.3 | 18.6 | 17.0 |
Surrogate intrinsic | |||||
Luminal A-like | 55.5 | 54.5 | 57.1 | 62.2 | 53.3 |
Subtype | |||||
Luminal B-like | 25.3 | 25.0 | 25.7 | 25.6 | 26.7 |
HER2+ | 9.6 | 10.5 | 8.6 | 9.8 | 13.3 |
Triple-negative | 9.6 | 10.0 | 8.6 | 2.4 | 6.7 |
Missing | 21.7 | 45.3 | 57.7 | 85.8 | |
Tumor size (mm) | |||||
≤ 10 | 19.8 | 19.8 | 49.2 | 39.7 | 36.8 |
11–20 | 48.7 | 48.7 | 33.3 | 40.8 | 28.9 |
21–50 | 28.2 | 28.3 | 17.5 | 16.7 | 25.0 |
> 50 | 3.2 | 3.2 | 0.0 | 2.9 | 9.2 |
Missing | 0.5 | 1.6 | 10.3 | 28.3 | |
Axillary lymph nodes | |||||
No | 65.8 | 64.9 | 80.4 | 77.3 | 77.5 |
Yes | 34.2 | 35.1 | 19.6 | 22.7 | 22.5 |
Missing | 4.6 | 12.5 | 27.3 | 62.3 | |