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PEAK EXPIRATORY FLOW RATES IN CHILDREN OF WESTERN ...

PEAK EXPIRATORY FLOW RATES IN CHILDREN OF WESTERN ...

PEAK EXPIRATORY FLOW RATES IN CHILDREN OF WESTERN

Pak J Physiol 2012;8(1) ORIGINAL ARTICLE PEAK EXPIRATORY FLOW RATES IN CHILDREN OF WESTERN RAJASTHAN 7–14 YEARS OF AGE Meenakshi Sharma, Ram Babu Sharma*, Raghuveer Choudhary** Departments of Physiology, *Paediatrics, SMS Medical College, Jaipur, **Department of Physiology, Dr. SN Medical College, Jodhpur, India Background: A lot of age-specific variations in Peak Expiratory Flow Rate (PEFR) are expected in paediatrics age group compared to adults. Therefore availability of normal values for different age group is absolutely essential for logical interpretation of PEFR. Only few studies are available on ventilator functions for children of Western Rajasthan (a desert area) 7–14 years of Age. Method: One hundred and eighty-eight apparently healthy school children (112 Male, 76 Female) from age group 7–14 years were included in the study. PEFR was measured in L/min with a standard Wright Peak Flow Meter. Result: Positive correlation was seen between age, height, weight, Body surface area, and PEFR. The regression equations for PEFR were determined for boys and girls separately. The prediction equation for PEFR based on Weight was PEFR=71.519+weight×4.202 (for boys) PEFR=115.081+weight×1.406 (for girls). Predicted formulas obtained by regression equation for Age were: PEFR=27.442+Age×17.289 (for boys), PEFR=83.88+Age×7.399 (for girls). Predicted formulas obtained by regression equation for height were: PEFR= -166.592+Height×2.653 (for boys) PEFR= -50.24+Height×1.501 (for girls). Predicted formulas for PEFR obtained by regression equation for BSA were: PEFR=42.483+BSA×159.983 (for boys), PEFR=99.714+BSA×59.505 (for girls). In both male and female children, PEFR significantly increases (p

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