Fig. 1

Survival curves with reference to baseline BMI for MBC patients who were treated with palliative chemotherapy (Carboplatin and Vinorelbine). Median survival was estimated during a 40-month follow up period using Kaplan–Meier method. Statistical significance was assessed using the Log-rank test and two-tailed P value of < 0.05 was considered significant. a Patients were categorized into two groups; normal BMI < 25 kg/m² and high BMI ≥ 25 kg/m². b High BMI patients were dissected into overweight (25–29.9 kg/m²) and obese (≥ 30 kg/m²), and survival of both subgroups was assessed in comparison with normal BMI