Fig. 2

Risk factors contributing to IFI among adults (18–87 years) in summer according to CART analysis in the study (age: years, BMI: kg/m2). The figures in the rectangle indicate the probability of IFI. a: Male, b: Female
Risk factors contributing to IFI among adults (18–87 years) in summer according to CART analysis in the study (age: years, BMI: kg/m2). The figures in the rectangle indicate the probability of IFI. a: Male, b: Female