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   Diagnostic ability of elevated 1-h glucose challenge test  
   
نویسنده Temming L A ,Tuuli M G ,Stout M J ,Macones G A ,Cahill A G
منبع journal of perinatology - 2016 - دوره : 36 - شماره : 5 - صفحه:342 -346
چکیده    Objective:to determine whether a threshold of a 1-h glucose challenge test (gct) eliminates the need for a 3-h glucose tolerance test (gtt).study design:a retrospective cohort of patients undergoing gtt after gct was ⩾140 mg dl−1. gestational diabetes mellitus (gdm) was diagnosed using national diabetes data group (nddg) and carpenter–coustan (cc) criteria. sensitivity, specificity and predictive values were calculated for 1-h gct values of 160 to 220 mg dl−1.result:of 6218 patients, 988 (15.9%) had an elevated gct and 753 (12.1%) underwent a gtt. in all, 165 (2.7%) were diagnosed with gdm using nddg criteria, and 250 (4.0%) by cc criteria. the positive predictive value of a 1-h of gct ⩾200 mg dl−1 for gdm was 68.6% by nddg and 80.0% for gdm by cc criteria.conclusion:although the predictive value of an elevated 1-h ⩽200 mg dl−1 for gdm was high, 1 in 3 to 1 in 5 women would be overdiagnosed with gdm if the 3-h gtt was omitted.
آدرس Washington University in St Louis, Department of Obstetrics and Gynecology, USA, Washington University in St Louis, Department of Obstetrics and Gynecology, USA, Washington University in St Louis, Department of Obstetrics and Gynecology, USA, Washington University in St Louis, Department of Obstetrics and Gynecology, USA, Washington University in St Louis, Department of Obstetrics and Gynecology, USA
 
     
   
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