# Lung Age Case Study

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temperature and pressure saturated.[15] All tests were done by an experienced technician. Lung age calculation Spirometry determines the lung age (another way to look at the effect of smoking on lung function),[9] which is computed by matching an individual’s FEV1 value with the age at which that FEV1 value is considered normal based on predicted values. If a 6‑foot, a 47‑year‑old man has an FEV1 of 2.2, for example, his lung age is 72 because 2.2 is the FEVI measurement considered normal for a 72‑year‑old man of that height. Calculating a patient’s lung age can be a motivator in smoking cessation.[9] Calculation of lung age was based on estimates developed by Morris and Temple.[9] Lung age (men) =2.87 × height (in inches) − (31.25 × observed FEV1 [liters]) −39.375 Anthropometry The body weight (in kg) was measured on digital weight scales (made in Germany) to the nearest 100 g with the subjects wearing light indoor clothes and no shoes after more than 8 h fasting. Height (in cm) was measured by stadiometer to the nearest 0.1 cm while students stood on a hard surface, wearing no shoes. After estimation of weight and height, BMI was measured (in kg/m2) using the following equation (BMI = body weight/height2 [kg/m2]).[16] WC, which is a measure of…show more content…
Furthermore, we demonstrated WC is a better predictor of lung function and lung age than BMI in normal weight smokers. We strongly support the policy of reminding the smokers, their spirometry results expressed as “lung age” as the abnormal lung age is a clear message that the lungs are undergoing accelerated deterioration that would be slowed if the smoker stopped smoking. This is along with counseling about the dangers of continuing to smoke and ways to quit