Figure 1From: Defining adult asthma endotypes by clinical features and patterns of volatile organic compounds in exhaled airCourse of sensitivity and specificity as a function of the number of VOCs involved in the discriminant analyses. The sensitivity and specificity to discriminate between asthma and healthy subjects depends on the number of VOCs (A). The correct classification of asthma and healthy subjects as a function of the VOCs is presented (B).Back to article page