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- Open Access
Allied health – 3004. Pulmonary function tests: A study of 1000 normal children
World Allergy Organization Journal volume 6, page P181 (2013)
Respiratory infections in children have assumed epidemic proportions in recent years.Although data on pulmonary function tests of Indian children is available, very few studies in North Indian healthy children are available, especially in healthy children from Haryana. In this study, pulmonary function tests of healthy children, studying in schools of Rohtak (Haryana), on a large scale was done.
The study was conducted on 1000 (500 boys & 500 girls) healthy, school going children of Rohtak (Haryana) of age group 10-14 years, from June 2007 to November 2008. Children having history of acute respiratory infections in preceding 3 weeks, chronic pulmonary symptoms, allergic diseases, thoracic surgery, systemic diseases which affect respiratory system and smokers were excluded from the study. Pulmonary function test was done by using portable spirometer-Spirotab I (Medical International Research Instrument ). Standard methodology for assessment of lung functions as recommended by American Thoracic Society was used. The parameters recorded in each case included forced vital capacity (FVC), forced expiratory volume in one second (FEV1), FEV1/FVC % and FEV25-75%.Statistical analysis was done using student‘t’ test.
FEF25-75%showed a significant correlation with age, weight, height, body surface area and body mass index in both males and females except for correlation of FEF25-75%with BMI in females. In males, FVC and FEV1had the best correlation with body surface area followed by weight and age in both males and females. The correlation of FEV1/FVC% with age, weight, height, body surface area and body mass index was not significant. The mean values of all pulmonary function measurements were higher in boys as compared to girls but statistically significant difference (p<0.001) was found for FVC and FEV1.
We found positive correlation of FVC, FEV1,and FEF25-75%with age, height, BSA and BMI. There were differences in values obtained in our study and those previously conducted on Indian children, which could be attributed to other factors like, differences in body build, socioeconomic status, pollution, gender, ethnicity, etc.
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Gupta, K.B., Gupta, K.B. Allied health – 3004. Pulmonary function tests: A study of 1000 normal children. World Allergy Organ J 6, P181 (2013). https://doi.org/10.1186/1939-4551-6-S1-P181
- Body Mass Index
- Lung Function
- Respiratory Infection
- Body Surface Area
- Healthy Child