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Effects of baseline body mass index (BMI) on esophageal squamous cell carcinoma mortality for all subjects, male, and female, as shown by cumulative event rates (cumulative density function, as %) from Kaplan–Meier estimates. Red lines represent underweight participants (BMI < 18.5), blue lines represent healthy participants (BMI >= 18.5, <24), green lines represent overweight participants (BMI >= 24, <28), and yellow lines represent obese participants (BMI >= 28).
