PLATINO study participants' characteristics and post-BD spirometry results by study center.

*Asthma and Chronic obstructive pulmonary disease (COPD) diagnosed previously by a physician. **Asthma remains present at the survey time. Post-BD = tests tests performed after bronchodilator use. Prevalences were estimated taking the study design into account. PLATINO = The Latin American Project of Research on Obstructive Lung Disease; SD = Standard deviation; L = Liters; BMI = Body mass index; FEV1 = Forced expiratory volume in 1 second; FEV6 = Forced expiratory volume in six seconds; FVC = Forced vital capacity. See Text S1 for pre bronchodilator tests.