Table 2.

Characteristics of High-Risk Patients Eligible For Venous FPG Measurement, Comparing Patients With and Without a Venous Sample

CharacteristicPatients With Venous SamplePatients Without Venous SamplePValue
BMI = body mass index; FPG = fasting plasma glucose; cFPG1 = first capillary fasting plasma glucose; cFPG2 = second capillary fasting plasma glucose; GDM = gestational diabetes mellitus.
a Conversion factor to SI units: ×0.0555.
b Missing = 94 with venous sample; 30 without venous sample.
c Missing = 100 with venous sample; 26 without venous sample.
Sex (male), No. (%)57 (45.6)23 (52.3).45
Age, mean (SD), years58.8 (8.0)58.5 (8.1).87
cFPG measurements
    cFPG1, mean (SD), mg/dLa156.8 (55.9)151.4 (50.5).59
    cFPG2, mean (SD), mg/dL149.5 (41.4)140.5 (37.8).23
    cFPG1 110–126 mg/dL and cFPG2 ≥126 mg/dL, No. (%)28 (22.4)6 (13.6).21
    cFPG1 ≥ 126 mg/dL and cFPG2 110–126 mg/dL, No. (%)22 (17.6)21 (47.8)<.001
    cFPG1 ≥ 126 mg/dL and cFPG2 ≥ 126 mg/dL, No. (%)75 (60.0)17 (38.6).01
BMI, mean (SD), kg/m230.2 (4.6)31.0 (6.9).39
Risk factors
    Hypertension, No. (%)49 (39.2)15 (34.1).55
    Cardiovascular disease, No. (%)22 (17.6)5 (11.4).33
    Lipid metabolism disorders,b No. (%)12 (38.7)3 (21.4).41
    Family history of diabetes, No. (%)58 (46.4)17 (38.6).37
    History of GDM,c No. (%)00