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研究生:莊芝林
研究生(外文):Chuang Chih-Lin
論文名稱:台灣正常族群腹部脂肪使用BIA量測之研究
論文名稱(外文):The Study of Abdominal Fat by Using BIA Measurement for Normal Population in Taiwan
指導教授:陳興忠
指導教授(外文):Chen Hsing-Chung
口試委員:陳興忠謝坤昌施能義
口試委員(外文):Chen Hsing-ChungHsieh Kuen-ChangShih Neng-Yih
口試日期:2013-06-10
學位類別:碩士
校院名稱:亞洲大學
系所名稱:資訊工程學系碩士班
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2013
畢業學年度:101
語文別:中文
論文頁數:23
中文關鍵詞:電腦斷層掃描四極板生物阻抗分析八極板生物阻抗分析均方根誤
外文關鍵詞:Computerized Tomographybioelectrical impedance analysisfat free massbody compositionroot-mean-square error
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摘要


本研究應用電腦斷層(Computerized tomography, CT)於腹部L4-L5掃描結果來驗證一般人於站立式生物阻抗分析之四極板(簡稱為:BIA4)、八極板(簡稱為:BIA8)之體脂計於腹部內臟脂肪面積(VFA- Visceral Fat Area)之測量結果,並以不同統計指標來表示其測量結果的參考價值。
以CT與站立式之腳對腳生物阻抗分析體脂計,分別針對台灣地區一般女、男性分別各53, 51名,女性(年齡: 34.2 ± 16.7歲, 體重: 56.8 ±11.2公斤, 身高: 161.0 ± 6.2 公分) 、男性(年齡: 31.4 ± 14.1 歲, 體重: 74.8 ± 12.2公斤, 身高: 171.4 ± 4.8 公分) (平均±標準偏差量)。同時進行腹部內臟脂肪面積(VFA)測量,以測量結果其進行相關性、差異分佈、均方根誤(Root Mean Square Error, RMSE)比較。
以CT與BIA8、BIA4兩種方法所測量腹部脂肪面積(VFA)其間的結果,女性受測者其相關係數、平均差異值(±標準偏差(SD.))各為 R = 0.92、0.90, mean = -18.19 (±22.02) cm2、-18.12 (±17.30) cm2,男性受測者其相關係數、平均差異值(±標準偏差(SD.))各為 R = 0.73、0.82, mean = 22.95(± 30.18) cm2、33.15 (± 36.11) cm2。
比較站立式生物阻抗分析之體脂計與CT測量結果於腹部內臟脂肪面積(VFA)測量,本研究之女性受測者在BIA8、BIA4的測量結果與CT測量結果,無論在相關性、差異值平均值、差異標準差、RMSE皆優於男性受測者的測量結果,顯示本研究應用的站立式生物阻抗分析之體脂計於腹部內臟脂肪面積的測量,女性受測者測量結果優於男性受測者,較具參考與應用價值。站立式生物阻抗分析用於男性之腹部內臟脂肪之測量模型須進一步深入探討。

Abstract


The aim of this study was to evaluate foot-to-foot standing bioelectrical impedance analysis (BIA) with four-surface electrodes (referred as BIA4) for the measurement of abdominal visceral fat area (VFA). To compare abdominal VFA obtained from a standing BIA4 system with those obtained by abdominal computerized tomography (CT) scanned at the L4 to L5 level, 53 female and 51 male normal adults in Taiwan were recruited. The mean age of female participants was 34.2 ± 16.7 years (mean ± standard deviation, SD), with body weight of 56.8 ± 11.2 kg and height of 161.0 ± 6.2 cm, and that of male ones was 31.4 ± 14.1 years, with body weight of 74.8 ± 12.2 kg and height of 171.4 ± 4.8 cm. Among female participants, the correlation coefficient (R) and the mean variance (as the mean ± SD) were R = 0.90 and -18.12 ± 17.30 cm2, respectively; male participants were R= 0.82 and 233.15 ± 36.11 cm2. The correlation, mean variance, SD and RMSE (root-mean-square error) between the measurements by BIA4 and CT were stronger in female than in male. The results indicated that abdominal VFA measurements from foot-to-foot BIA4 were superior to female subjects while subjects are with VFA < 100 cm2. The relatively larger confidence interval of difference between BIA4 and CT, especially, in VFA 100cm2 shown some improvement needs to be developed in BIA application.

Table of Contents


摘要…………………………………………………………………….1
Abstract………………………………………………………………..2
Table of Contents……………………………………………………...3
Abbreviations………………………………………………………….4
List of Tables…………………………………………………………..5
List of Figures………………………………………………………….6
Chapter 1 Introduction………………………………………………..7
Chapter 2 Participants and Methods………………………………...9
2.1 Study population……………………………………………...9
2.2 Commercial standing-posture bioelectrical impedance analysis (BIA) system used to assess human body composition……….9
2.3 Computerized tomography (CT) and abdominal visceral fat area calculation………………………………………………10
2.4 Experimental procedures…………………………………….10
Chapter 3 Statistical analysis…………………………………………11
Chapter4 Results………………………………………………………12
Chapter 5 Discussion…………………………………………………..13
Chapter 6 Conclusion………………………………………………….16
References………………………………………………………………17

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