Research Article

Validation of the ISAAC Standardized Questionnaire Used by Schoolchildren from Mexicali, Baja California, Mexico

Table 4

Classification of the study population considering the reversibility test as gold standard.

Reversibility test GINA guidelines (% FEV1 ≥ 12%)Total
AsthmaticsNonasthmatics

Questionnaire ISAACAsthmatics131023
Nonasthmatics464591

Total5955114

Sensitivity: ; specificity: .
Predictive positive value: ; predictive negative value: .