Hubungan Usia dan Frekuensi Kemoterapi Pada Pasien Kanker Payudara yang Mendapatkan Kemoterapi Di RSUD Welas Asih Bandung Tahun 2024

Abstract. Breast cancer is one of the most common malignancies among women, and chemotherapy remains a major treatment modality across different disease stages. However, chemotherapy is frequently associated with hematological adverse effects due to bone marrow suppression. This study aimed to analyze the relationship between patient characteristics, particularly age and chemotherapy frequency, and hematological profiles in breast cancer patients. An analytic observational study with a cross-sectional design was conducted using medical records of 200 breast cancer patients who underwent chemotherapy at Welas Asih Regional General Hospital in 2024. Hematological parameters analyzed included hemoglobin, erythrocytes, leukocytes, and platelets. Statistical analysis was performed using the Spearman test. The results showed that most patients had hemoglobin and erythrocyte levels below normal ranges, while leukocyte and platelet levels were predominantly within normal limits. No significant association was found between age and any hematological parameters (p>0.05). In contrast, chemotherapy frequency was significantly associated with hemoglobin, erythrocyte, leukocyte, and platelet levels (p