Calculating FEV1, FVC and FEV1/FVC Ratio by Spirometric Reference Formula on Abdominal Obesity Subjects

World Health Organization (WHO) defines overweight and obesity as abnormal or excessive fat accumulation that presents a risk to health. Height and age are the most important explanatory variables in Spirometric reference equations. Twenty subjects were selected. Pulmonary function was assessed by Spirometric Reference Equation Subjects were informed about the procedure, merits and demerits of the treatment. Consent is obtained from each subject for voluntary participation. The result shows that the FEV1, FVC and FEV1/FVC ratio are normal on abdominal Obesity subjects. But however, the mean values for boys is slightly higher than girls.