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. 2021 Jun 17;16(6):e0249666. doi: 10.1371/journal.pone.0249666

Table 1. Characteristics of the study population.

Group Study1+2
Subgroup All Healthy Type 1 Type 2
Participants, n (%) 50 (100) 25 (50) 15 (30) 10 (20)
Sex (female), n (%) 31 (62) 19 (76) 8 (53) 4 (40)
Age (yrs), mean [SD) 43.2 [13.5] 40.4 [12.5] 38.4 [12.1] 57.3 [8.6]
BMI (kg/m2), mean [SD] 26.32 [5.0] 24.76 [4.4] 25.26 [3.6] 31.81 [4.7]
BMI classification1, n (%)
Underweight 1 (2) 1 (4) 0 (0) 0 (0)
Normal 23 (26) 15 (60) 8 (53) 0 (0)
Overweight 16 (32) 6 (24) 5 (33) 5 (50)
Obese 10 (20) 3 (12) 2 (13) 5 (50)
Blood group, n (%)
O 20 (40) 10 (40) 7 (47) 3 (30)
A 21 (42) 11 (44) 6 (40) 4 (40)
B 5 (10) 2 (8) 2 (13) 1 (10)
AB 4 (8) 2 (8) 0 (0) 2 (20)
Clinical chemistry, mean [SD]
HbA1c (mmol/mol) 52.5 [24.1] 33.6 [3.7] 63.1 [17.5] 83.8 [19.4]
Blood glucose (mM) 8.3 [4.5] 5.2 [1.0] 11.1 [4.4] 11.8 [4.7]
Hematocrit (x1012/L) 4.3 [0.6] 4.2 [0.3] 4.7 [0.8] 4.2 [0.5]
MCV (fL) 87.6 [5.6] 89.5 [4.1] 86.0 [6.7] 85.2 [5.7]
ESR (mm/hr) 14.5 [18.5] 9.8 [7.8] 14.1 [15.8] 26.6 [33.0]
Fibrinogen (g/L)2 3.0 [0.7] 2.8 [0.6] 3.00 [0.6] 3.5 [0.9]
C-react. protein (mg/L) 3.2 [4.4] 2.5 [4.13] 3.7 [5.5] 4.0 [2.9]
Apolipoprotein B (g/L)2 0.9 [0.3] 0.9 [0.2] 0.8 [0.3] 1.1 [0.4]
Triglycerides (mM) 1.7 [1.8] 1.2 [0.5] 1.2 [0.6] 3.8 [3.2]
Cholesterol (mM) 5.0 [1.0] 5.2 [0.9] 4.7 [1.0] 5.1 [1.4]
HDL-cholesterol (mM) 1.6 [0.6] 1.8 [0.4] 1.7 [0.7] 1.2 [0.2]
LDL cholesterol (mM)2 2.6 [0.9] 2.8 [0.8] 2.4 [0.9] 2.3 [0.8]
LDL/HDL 1.8 [0.8] 1.7 [0.7] 1.6 [0.8] 2.2 [1.1]

1 WHO BMI classification for adults BMI <18.5 (underweight), 18.5–25 (normal), 25–30 (overweight), >30 obese.

2 Missing patient parameters (see S1 Data): apolipoprotein B was not measured for all nine healthy controls in Study 1 and from one control in Study 2, fibrinogen levels for one type 1 diabetic in Study 2 was missing and LDL-cholesterol could not be measured in two type 2 diabetics in Study 2 due to high glycerol levels that interfered with measurements.