Table 3Prevalence and diagnostic test characteristics for 50 g OGCT by CC or ADA (2000–2010) diagnostic criteria

Diagnostic TestAuthor, YearCountryN*Screening Practice**Prevalence (%)PPV (95% CI)NPV (95% CI)Accuracy (%)
≥140 mg/dL OGCTRust, 1998121U.S.448Universal3.624 (13-40)98 (97-99)92
Ayach, 200663Brazil341Universal3.818 (10-31)99(97-100)86
Chevalier, 2011108France11,545Universal3.937 (34-40)99 (99-100)94
Trihospital, 1998159Canada3,836Universal6.923 (20-26)97 (96-98)82
Yogev 200464U.S.1,783Universal8.527 (24-32)98 (97-99)80
Perucchini, 199968Switzerland520Universal10.243 (32-54)95 (93-97)88
De los Monteros, 199972Mexico445Universal11.747 (38-57)98 (96-99)87
Weerakiet, 2006140Thailand359Selective16.732 (25-39)97 (93-99)66
Gandevani, 201176Iran585Universal22.262 (55-69)96 (93-97)85
Agarwal 200099UAE368Selective31.983 (80-89)98 (96-99)93
≥130 mg/dL OGCTChevalier, 2011108France11,545Universal4.331 (29-33)100 (100-100)90
Yogev 200464U.S.2,541Universal4.411 (9-13)100 (99-100)65
Eslamian, 200871Iran138Universal8.627 (16-42)99 (95-100)78
Kashi, 200775Iran200Selective10.031 (21-43)100 (98-100)78
Gandevani, 201176Iran585Universal22.251 (45-57)100 (99-100)79
Soheilykhah, 201177Iran1,502Universal29.562 (57-67)97 (95-98)82
≥200 mg/dL OGCTBobrowski, 1996104U.S.422Abnormal screen**6.4100 (91-100)100 (100-100)100 (99-100)

CI = confidence interval; NPV = negative predictive value; OGCT = oral glucose challenge test; OGTT = oral glucose tolerance test, PPV = positive predictive value; UAE = United Arab Emirates

*

Number of women in the analysis.

**

As reported in the methods of each study; all studies are 2-step screening and diagnosis.

All women received both an OGCT and OGTT.

Number of women in the analysis.

As reported in the methods of each study; all studies are 2-step screening and diagnosis.

All women received both an OGCT and OGTT.

From: Results

Cover of Screening and Diagnosing Gestational Diabetes Mellitus
Screening and Diagnosing Gestational Diabetes Mellitus.
Evidence Reports/Technology Assessments, No. 210.
Hartling L, Dryden DM, Guthrie A, et al.

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