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KMID : 0974620030210020429
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Bulletin of Dongnam Health University
2003 Volume.21 No. 2 p.429 ~ p.440
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The Relationship of Age, Weight, Height and Smoking History with Spirometric Parameters in Healthy Adults
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Kim Dae-Sik
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Abstract
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The purpose of this study is to investigate how age, weight, height and smoking history affect FVC, FEV_1, FEV_1%, FEF_50% using multiple regression analysis and post hoc comparison. We checked changes in the spirometric parameters of current-smokers and non-smokers through check-up with respiratory functions in 131 healthy male subjects aged from 20 to 39. The results are as follows. l. Indexes in non-smokers are higher than those in smokers, which is not statistically significant in FVC, FEV_1, FEV_1%, FEF_50%. 2. In case of indexes showing the relationship among age, weight, height and smoking period and vital capacity, FVC is in inverse correlation with age(r=-0.332), FEV_1 with age(r=-0.475) and smoking period(r=-0.304), and FEV_1% with age(r=-0.350), weight(r=-0.193) and smoking period(r=-0.253), respectively. In contrast, FVC is in direct correlation with weight (r-0.388) and height(r=0.624), FEV_1 with weight(r=0.304) and height(r=0.633), and FEF_50% with height(r=0.093), respectively. 3. Considering effects of age, weight, height and smoking history on spirometric parameters, with use of multiple regression analysis, FVC is regarded as a statistically significant independent variable on height(B=0.0687, p<0.01), FEV_1 is regarded as one on height(B=0.0542, p<0.01), and FEV_1% as one on weight (B=%.1466, p<0.05). 4. According to the comparison of spirometric parameters among age groups, FVC(F=7.525, p<0.01) and FEV_1(F=5.009, p<0.01) are found to be significant in Group 3, while FEV_1%(F=5.009, p<0.01) and FEF_50%(F=3.271, p<0.05) are found to be significant in Group 2.
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KEYWORD
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