Table 2

Sensitivities and specificities for abnormal glucose tolerance*

SensitivitySpecificity
GroupNFPGA1CCombinedFPGA1CCombined
Whole cohort21632 (23/72)53 (38/72)64§ (46/72)95 (137/144)75 (108/144)74 (106/144)
Normal Hb17032 (18/57)54 (31/57)63 (36/57)95 (107/113)74 (84/113)73 (83/113)
Variant Hb4633 (5/15)47 (7/15)67 (10/15)97 (30/31)81 (25/31)77 (24/31)
  • Data are presented as % (n/N).

  • * Abnormal glucose tolerance defined by elevated 2-h glucose (≥7.8 mmol/L).

  • FPG and A1C combined.

  • According to the McNemar test, different from FPG, P ≤ 0.01.

  • § According to the McNemar test, different from FPG and from A1C, both P ≤ 0.01.