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Table 1—

Baseline characteristics for case and control subjects

Case subjectsControl subjectsPr > |t|
n (women/men) 71 (47/24) 71 (47/24)  
Age (years) 32.6 ± 9.3 32.0 ± 8.8 0.38 
BMI (kg/m236.33 ± 6.9 36.29 ± 6.9 0.14 
Waist (cm) 112.7 ± 16.9 113.0 ± 17.3 0.81 
FPG (mg/dl) 5.31 ± 0.44 5.29 ± 0.36 0.69 
2hPG (mg/dl) 6.07 ± 1.01 5.92 ± 1.00 0.36 
HbA1c (%) 5.5 ± 0.4 5.3 ± 0.4 0.005 
Fasting insulin (pmol/l) 256 (179–338) 265 (179–338) 0.99 
2-h insulin (pmol/l) 794 (509–1,167) 937 (517–1,285) 0.82 
Follow-up time (years) 4.6 ± 2.2 6.8 ± 2.2 <0.0001 
Sample storage time (years) 8.7 ± 1.7 8.7 ± 1.8 0.94 
Case subjectsControl subjectsPr > |t|
n (women/men) 71 (47/24) 71 (47/24)  
Age (years) 32.6 ± 9.3 32.0 ± 8.8 0.38 
BMI (kg/m236.33 ± 6.9 36.29 ± 6.9 0.14 
Waist (cm) 112.7 ± 16.9 113.0 ± 17.3 0.81 
FPG (mg/dl) 5.31 ± 0.44 5.29 ± 0.36 0.69 
2hPG (mg/dl) 6.07 ± 1.01 5.92 ± 1.00 0.36 
HbA1c (%) 5.5 ± 0.4 5.3 ± 0.4 0.005 
Fasting insulin (pmol/l) 256 (179–338) 265 (179–338) 0.99 
2-h insulin (pmol/l) 794 (509–1,167) 937 (517–1,285) 0.82 
Follow-up time (years) 4.6 ± 2.2 6.8 ± 2.2 <0.0001 
Sample storage time (years) 8.7 ± 1.7 8.7 ± 1.8 0.94 

Data are mean ± SD and median (range 25–75%). Follow-up time = last exam or exam at diabetes diagnosis − data of baseline exam; sample storage time = date samples were thawed and aliquoted for measurements (1 June 2001) − date of baseline exam. Pr>|t| is the result of the paired t test. 2hPG, 2-h plasma glucose.

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