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Validity and reliability of a handheld blood glucose monitor during exercise and an oral glucose tolerance test
Kinesiology ( IF 1.2 ) Pub Date : 2019-01-01 , DOI: 10.26582/k.51.2.10
Davoncie M. Granderson 1 , Clayton L. Camic 1 , Peter J. Chomentowski 1 , Steven M. Howell 1 , Emerson Sebastião 1
Affiliation  

The purpose of the present study was to examine the validity and reliability of the handheld Nova Max Plus blood glucose monitor during an oral glucose tolerance test and 60-minute bout of exercise. Thirty subjects (mean age±SD=22.3±1.9 years; body mass=77.6±14.2 kg) volunteered for an oral glucose tolerance test or 60-minute treadmill test. Blood glucose concentrations were measured from the fingertip at six time points during both tests. The reference method of blood glucose analysis was the Yellow Springs Instruments (YSI) 2300. Our results indicated that the blood glucose values provided by the Nova Max Plus were significantly (p<.05) greater than the YSI 2300 at all time points of the oral glucose tolerance test and treadmill test. In addition, the Nova Max Plus exhibited an overall mean absolute relative deviation (±SD) of 9.0 (±7.0) and did not meet the 95% accuracy requirements of ISO 15197:2013. The Bland-Altman plot for constant error (YSI 2300 – Nova Max Plus) versus the reference method (YSI 2300) indicated an average negative bias (-8.2 mg·dL-1) that increased (r=-0.23) at higher blood glucose values. Intra-device reliability analyses for the Nova Max Plus demonstrated the ICC was R=0.99 and CV=3.0%, with no mean differences between test and retest values. These findings suggested that the Nova Max Plus provided highly reliable, yet inaccurate blood glucose values compared to the YSI 2300 during the dynamic conditions associated with an oral glucose tolerance test and exercise.

中文翻译:

运动和口服葡萄糖耐量测试期间手持式血糖仪的有效性和可靠性

本研究的目的是在口服葡萄糖耐量测试和60分钟的运动后检查手持式Nova Nova Plus血糖监测仪的有效性和可靠性。30名受试者(平均年龄±SD = 22.3±1.9岁;体重= 77.6±14.2kg)自愿参加口服葡萄糖耐量试验或60分钟跑步机试验。在两次测试中,均在六个时间点从指尖测量血糖浓度。血糖分析的参考方法是Yellow Springs Instruments(YSI)2300。我们的结果表明,Nova Max Plus提供的血糖值在所有时间点都比YSI 2300大(p <.05)。口服葡萄糖耐量试验和跑步机试验。此外,Nova Max Plus的整体平均绝对相对偏差(±SD)为9.0(±7)。0),并且不符合ISO 15197:2013的95%准确性要求。恒定误差(YSI 2300 – Nova Max Plus)与参考方法(YSI 2300)的Bland-Altman图表明,血糖升高时,平均负偏差(-8.2 mg·dL-1)增加(r = -0.23)价值观。Nova Max Plus的设备内可靠性分析表明,ICC为R = 0.99和CV = 3.0%,测试值和重新测试值之间没有均值差。这些发现表明,在与口服葡萄糖耐量试验和运动有关的动态条件下,与YSI 2300相比,Nova Max Plus提供了高度可靠的血糖值。恒定误差(YSI 2300 – Nova Max Plus)与参考方法(YSI 2300)的Bland-Altman图表明,血糖升高时,平均负偏差(-8.2 mg·dL-1)增加(r = -0.23)价值观。Nova Max Plus的设备内可靠性分析表明,ICC为R = 0.99和CV = 3.0%,测试值和重新测试值之间没有均值差。这些发现表明,在与口服葡萄糖耐量试验和运动有关的动态条件下,与YSI 2300相比,Nova Max Plus提供了高度可靠的血糖值。恒定误差(YSI 2300 – Nova Max Plus)与参考方法(YSI 2300)的Bland-Altman图表明,血糖升高时,平均负偏差(-8.2 mg·dL-1)增加(r = -0.23)价值观。Nova Max Plus的设备内可靠性分析表明,ICC为R = 0.99和CV = 3.0%,测试值和重新测试值之间没有均值差。这些发现表明,在与口服葡萄糖耐量试验和运动有关的动态条件下,与YSI 2300相比,Nova Max Plus提供了高度可靠的血糖值。
更新日期:2019-01-01
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