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. Author manuscript; available in PMC: 2021 Aug 1.
Published in final edited form as: J Diabetes Complications. 2020 Apr 21;34(8):107591. doi: 10.1016/j.jdiacomp.2020.107591

Table 1.

Demographic and clinical characteristics of the DCR and NHANES cohorts.

DCR NHANES
N=67433 N=21479573*
Mean ± SD / % Mean ± SD / % p value SMD
Age (years) 61 ± 10 57 ± 12 <0.001 0.38
Sex (male) 52 56 <0.001 0.08
Race
 White non-Hispanic 83 76 <0.001 0.30
 Black non-Hispanic 14 15
 Other 3 9
Insurance coverage 100 91 <0.001 0.42
Height (cm) 170 ± 11 168 ± 10 0.08 0.18
Weight (kg) 97 ± 24 94 ± 23 0.22 0.12
Body mass index (kg/m2) 33.3 ± 7.3 33.2 ± 7.6 0.96 0.05
Body mass index category
 Underweight (<18.5 kg/m2) 0.5 0.5 <0.001 0.03
 Normal (18.5–24.9 kg/m2) 9 10
 Overweight (25–29.9 kg/m2) 26 26
 Obese (≥30 kg/m2) 65 64
HbA1c (%) 7.5 ± 2.2 7.4 ± 1.8 0.60 0.03
HbA1c (mmol/mol) 58.1 ± 24.4 57.3 ± 20.0 0.60 0.03
HbA1c category <0.001 0.16
 <7% (<53 mmol/mol) 56 51
 7–9% (53–75 mmol/mol) 27 35
 >9% (>75 mmol/mol) 16 15
Systolic blood pressure (mmHg) 130 ± 17 129 ± 19 0.29 0.08
Diastolic blood pressure (mmHg) 76 ± 10 70 ± 13 <0.001 0.58
Blood pressure< 140/90 mmHG 70 74 <0.001 0.09
Total cholesterol (mmol/L) 4.45 ± 1.09 4.66 ± 1.17 0.050 0.18
High density lipoprotein (mmol/L) 1.22 ± 0.39 1.24 ± 0.39 0.73 0.03
Low density lipoprotein (mmol/L) 2.43 ± 0.91 3.34 ± 2.38 <0.001 0.50
Triglycerides (mmol/L) 1.81 ± 1.07 2.21 ± 1.63 0.007 0.29
Low density lipoprotein<2.59 mmol/L 61 41 <0.001 0.39
‘ABC’ control†† 18.8 6.0 <0.001 0.40
Tobacco use 17 32 <0.001 0.35
Hypertension 81 66 <0.001 0.37
Dyslipidaemia 83 63 <0.001 0.48
Medication Use
 Insulin 18 27 <0.001 0.22
 Oral hypoglycaemic agent 56 71 <0.001 0.33
 Cholesterol-lowering 71 67 <0.001 0.08
 Anti-hypertensive 79 95 <0.001 0.50
*

Weighted sample size

Standardized mean difference

††

HbA1c<7% (<53 mmol/mol), blood pressure <140/90 mmHg and low density lipoprotein <2.59 mmol/L