Table 2.

Hazard ratios for breast cancer–specific mortality, stratified by race and menopausal status and adjusted for age at diagnosis and date of diagnosis

WhiteAfrican American
Premenopausal (n = 323)Postmenopausal (n = 308)Premenopausal (n = 238)Postmenopausal (n = 280)
Subtype
 Luminal A1.001.001.001.00
 Luminal B1.2 (0.6–2.5)2.9 (1.0–8.4)1.2 (0.5–2.9)1.3 (0.5–3.6)
 Basal-like1.8 (1.0–3.4)3.9 (1.5–10.0)1.3 (0.8–2.3)1.9 (0.9–3.8)
 HER2+/ER2.1 (0.9–5.0)4.3 (1.4–13.6)1.9 (0.9–4.2)3.1 (1.3–7.2)
 Unclassified1.4 (0.7–3.0)2.1 (0.6–7.4)1.0 (0.5–2.0)1.9 (0.8–4.3)
Subtype combined
 Luminal A or B1.001.001.001.00
 Basal-like1.8 (1.0–3.2)3.0 (1.2–7.4)1.3 (0.8–2.2)1.8 (0.9–3.6)
 HER2+/ER2.0 (0.9–4.8)3.4 (1.1–10.3)1.9 (0.9–4.0)3.0 (1.3–6.9)
ER status
 ER+1.001.001.001.00
 ER1.4 (0.9–2.2)2.1 (1.0–4.2)1.3 (0.8–2.2)2.3 (1.3–3.9)
PR status
 PR+1.001.001.001.00
 PR1.9 (1.2–3.0)2.1 (1.0–4.2)1.4 (0.9–2.3)1.9 (1.1–3.4)
HER2 status
 HER21.001.001.001.00
 HER2+1.2 (0.7–2.1)2.3 (1.1–5.1)1.4 (0.8–2.5)1.5 (0.8–2.9)