Table 3.
Crude | Adjusted | |||||||
---|---|---|---|---|---|---|---|---|
Overall death | Breast cancer death | Overall death | Breast cancer death | |||||
HR | 95 % CI | HR | 95 % CI | HR | 95 % CI | HR | 95 % CI | |
Surgical main cohorts | ||||||||
Primary BCT | 1.00 | (Reference) | 1.00 | (Reference) | 1.00 | (Reference) | 1.00 | (Reference) |
Primary MTX | 3.11 | (2.86–3.38) | 3.16 | 2.79–3.57 | 1.65 | 1.50–1.82 | 1.64 | 1.43–1.88 |
Surgical subcohorts | ||||||||
BCT once | 1.00 | (Reference) | 1.00 | (Reference) | 1.00 | (Reference) | 1.00 | (Reference) |
BCT reop. | 1.05 | 0.87–1.26 | 1.38 | 1.07–1.77 | 1.04 | 0.86–1.25 | 1.28 | 0.99–1.64 |
BCT-MTX | 1.90 | 1.39–2.58 | 2.92 | 1.97–4.33 | 1.69 | 1.24–2.31 | 2.19 | 1.47–3.26 |
MTX once | 3.90 | 2.89–3.47 | 3.35 | 2.92–3.85 | 1.68 | 1.51–1.86 | 1.72 | 1.48–2.01 |
MTX reop. | 4.56 | 3.60–5.78 | 7.93 | 5.94–10.58 | 2.50 | 1.96–3.19 | 3.40 | 2.53–4.58 |
Year of diagnosis | ||||||||
1998 | 1.00 | (Reference) | 1.00 | (Reference) | 1.00 | (Reference) | 1.00 | (Reference) |
1999 | 0.93 | 0.79 | 0.89 | 0.73 | ||||
2000 | 0.87 | 0.78 | 0.9 | 0.77 | ||||
2001 | 0.87 | 0.75 | 1.05 | 0.83 | ||||
2002 | 0.69 | 0.53 | 0.89 | 0.63 | ||||
2003 | 0.77 | 0.58 | 0.99 | 0.76 | ||||
2004 | 0.64 | 0.45 | 0.89 | 0.62 | ||||
2005 | 0.69 | 0.34 | 0.87 | 0.44 | ||||
2006 | 0.6 | 0.29 | 0.75 | 0.39 | ||||
2007 | 0.59 | 0.22 | 0.77 | 0.30 | ||||
2008 | 0.53 | 0.17 | 0.66 | 0.23 | ||||
Age categories (years) | ||||||||
<30 | 2.15 | 3.12 | 1.51 | 1.78 | ||||
30–39 | 1.59 | 2.42 | 1.15 | 1.46 | ||||
40–49 | 0.98 | 1.21 | 0.82 | 0.91 | ||||
50–59 | 1.00 | (Reference) | 1.00 | (Reference) | 1.00 | (Reference) | 1.00 | (Reference) |
60–69 | 1.42 | 0.96 | 1.52 | 1.11 | ||||
70–79 | 3.71 | 2.15 | 2.98 | 1.66 | ||||
≥80 | 8.38 | 2.92 | 6.04 | 2.13 | ||||
TNM stage | ||||||||
T1N0M0 | 1.00 | (Reference) | 1.00 | (Reference) | 1.00 | (Reference) | 1.00 | (Reference) |
T2N0M0 | 2.38 | 2.95 | 1.41 | 1.83 | ||||
T1N1M0 | 1.56 | 2.86 | 1.92 | 2.18 | ||||
T2N1M0 | 3.34 | 6.57 | 3.37 | 3.95 | ||||
Histology | ||||||||
Ductal c. | 1.00 | (Reference) | 1.00 | (Reference) | 1.00 | (Reference) | 1.00 | (Reference) |
Lobular c. | 1.04 | 0.88 | 0.93 | 0.91 | ||||
Other | 1.03 | 0.89 | 1.04 | 1.02 | ||||
Grade | ||||||||
I | 1.00 | (Reference) | 1.00 | (Reference) | 1.00 | (Reference) | 1.00 | (Reference) |
II | 1.69 | 2.61 | 1.41 | 1.98 | ||||
III | 2.47 | 5.65 | 1.92 | 3.53 | ||||
Unknown | 1.73 | 2.84 | 1.30 | 1.99 |
Numbers in italic are not significant (p > 0.05)