Table 1

RCBG cut points with respect to diabetes, IGT, and IFG in Asian Indians

n (%)RCBG (mg/dl)RCBG cut pointsSensitivitySpecificityPPVAUCOverall accuracy (%)
Diabetes
    2-h PG ≥200 mg/dl or FPG ≥126 mg/dl238 (17.9)187.3 ± 67.014378.683.951.50.87282.9
    2-h PG ≥200 mg/dl185 (13.9)198.6 ± 69.114086.580.742.00.90081.5
    FPG ≥126 mg/dl194 (14.6)193.3 ± 70.214380.481.742.90.87381.5
    2-h PG ≥200 mg/dl and FPG ≥126 mg/dl141 (10.6)210.5 ± 71.814389.480.234.80.91981.2
IGT
    2-h PG ≥140 mg/dl and <200 mg/dl375 (28.1)168.4 ± 62.611964.765.527.20.71565.4
IFG (WHO)
    FPG ≥110 mg/dl and <126 mg/dl385 (28.9)165.0 ± 63.111862.862.925.40.68362.9
IFG (ADA)
    FPG ≥100 mg/dl and <126 mg/dl633 (47.5)146.9 ± 57.111358.358.646.90.61958.5
Abnormal glucose tolerance
    IGT and diabetes220 (16.5)191.8 ± 67.114182.382.448.00.88882.4
Abnormal glucose regulation
    IFG (WHO) or IGT or diabetes497 (37.3)157.5 ± 59.312170.269.958.10.77770.0
    IFG (ADA) or IGT or diabetes698 (52.4)145.4 ± 55.511666.565.568.00.71466.0
  • Data are means ± SD unless otherwise indicated. AUC, area under the curve; PG, plasma glucose; PPV, positive predictive value.