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A comparative study of the peak expiratory flow rate of Indian and Nepalese young adults in a teaching institute

Debray, P and Shreevatsa, BM and Babu, Ramesh MG and Sen, TK and Saha, CG (2008) A comparative study of the peak expiratory flow rate of Indian and Nepalese young adults in a teaching institute. Journal of Nepal Medical Association, 47 (169). pp. 7-11.

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Abstract

Peak expiratory fl ow rate (PEFR) measurement is the easiest and cheapest method to evaluate respiratory functions. So, the study was carried out to evaluate PEFR of healthy Nepalese adults and compare their values with healthy Indian counterparts to know whether Indian prediction equations for PEFR can be used for Nepalese adult population or not. One hundred twenty-three healthy, young, non smoker adult Indian (64: 28 Males, 36 Females) and Nepalese (59: 32 Males, 27 Females) medical students of 18 to 20 years of age participated in the study. The mean PEFR of Indian (male: 490.4 liter/min, female: 386.0 liter/min) and Nepalese (male: 485.9 liter/min, Female: 365.2 liter/min) young adults were found to have no signifi cant differences. As there is no signifi cant difference in the mean PEFR of Indian and Nepalese young adults, prediction equations made for Indian adults can be used to predict PEFR of Nepalese subjects. Therefore, an attempt has been made to formulate a regression equation from the combined Indian and Nepalese subjects. A stepwise, multiple, linear, regression analysis was performed for this purpose. The analysis showed that height is the best predictor for PEFR in the present study. The regression equation based on height for the combined Indian and Nepalese young adults is calculated as: PEFR = 5.687 × Height (cm) – 495.787. However, a stepwise, multiple, linear, regression equation with residual analysis for the best fi t model was performed to formulate prediction equation for PEFR and this showed a change of the earlier regression equation to PEFR = 5.930 × Height (cm) – 536.131.

Item Type: Article
Uncontrolled Keywords: Peak expiratory flow rate; peak fl ow meter; prediction equation; spirometry; young adults.
Subjects: Medicine > MMMC Manipal > Physiology
Depositing User: KMC Library
Date Deposited: 23 Sep 2015 12:00
Last Modified: 23 Sep 2015 12:00
URI: http://eprints.manipal.edu/id/eprint/144050

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