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- W2558582800 abstract "// Chia-Lin Lee 1, 2, 3, 4 , Chun-Hao Tsai 5, 6 , Dah-Cherng Yeh 7 , Chi-Shy Lin 8 , Yu-Fen Li 4 , Huey-En Tzeng 6, 9, 10 1 Division of Endocrinology and Metabolism, Department of Internal Medicine, Taichung Veterans General Hospital, Taiwan 2 Department of Public Health, College of Public Health, China Medical University, Taichung, Taiwan 3 Department of Medical Research, Taichung Veterans General Hospital, Taiwan 4 Graduate Institute of Biostatistics, China Medical University, Taichung, Taiwan 5 Department of Orthopedics, China Medical University Hospital, Taichung, Taiwan 6 School of Medicine, China Medical University, Taichung, Taiwan 7 Department of Surgery, Taichung Tzu Chi General Hospital, Taichung, Taiwan 8 Department of Family Medicine, Taichung Veterans General Hospital, Taiwan 9 Division of Hematology/Oncology, Department of Medicine, Taichung Veterans General Hospital, Taichung, Taiwan 10 Breast Cancer Center, Taichung Veterans General Hospital, Taiwan Correspondence to: Yu-Fen Li, email: yufenli@mail.cmu.edu.tw Huey-En Tzeng, email: tzenghueyen@gmail.com Keywords: breast cancer, hemoglobin, survival, trajectory Received: October 06, 2016 Accepted: November 08, 2016 Published: November 29, 2016 ABSTRACT Hemoglobin (Hb) levels are reportedly related with treatment outcomes and survival in patients of breast cancer. However, the long-term change in Hb levels after treatment and the effects of Hb on survival remain unknown. This retrospective cohort study enrolled 1931 breast cancer patients with pathological stage I-IV between 1/1/2003 and 12/31/2013. Latent class modeling was used to identify trajectories in monthly Hb levels over time. The primary endpoint was 10-year cancer-related death. We identified 5 distinct Hb trajectories: persistent anemia (5.6 %; n = 109), improved anemia (4.8 %, n = 93), mild anemia (21.0%; n = 406), low normal Hb (46.6 %; n = 899), and normal Hb (21.9%; n = 424). Compared with the normal-Hb group, trajectories with low Hb levels had worst 10-year survival. The adjusted hazard ratios were 1.79(95% CI, 0.91-3.53) for the improved anemia group, 1.09(95% CI, 0.68-1.74) for the mild anemia group, 1.06 (95% CI, 0.71-1.60) for the low normal Hb group, and 2.19(95% CI 1.28-3.75) for the persistent anemia group. Our findings show there are five Hb level trajectories during breast cancer treatment. The anemia Hb level trajectory during the first 12 months after treatment reflect the worst cancer-related 10-year survival in breast cancer patients." @default.
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- W2558582800 date "2016-11-29" @default.
- W2558582800 modified "2023-10-15" @default.
- W2558582800 title "Hemoglobin level trajectories in the early treatment period are related with survival outcomes in patients with breast cancer" @default.
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- W2558582800 doi "https://doi.org/10.18632/oncotarget.13679" @default.
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