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Table 1 Baseline characteristics of individuals with GWAS data available in the Hoorn, DCS study (n = 3466)

From: Genome-wide association study of serum magnesium in type 2 diabetes

Demographics

 

Men (%)

1973 (57)

Age (years)

66 ± 10

Duration of diabetes (years)

5.6 (3.0–10.1)

Smoking, n (%)

 Current

609 (18)

 Former

1776 (51)

 Never

1058 (31)

 Missing

23 (1)

Metabolic variables

 BMI (kg/m2)

29.6 (26.7–33.2)

 SBP (mmHg)

141 ± 20

 DBP (mmHg)

78 ± 9

 Total cholesterol (mmol/L)

4.6 ± 1.0

 Triglycerides (mmol/L)

1.6 (1.1–2.1)

 HbA1c (%)

6.5 (6.1–7.1)

 HbA1c (mmol/mol)

47.5 (43.0–54.0)

 Fasting glucose (mmol/L)

7.7 (6.9–8.9)

 LDL (mmol/L)

2.5 ± 0.9

 HDL (mmol/L)

1.2 (1.0–1.4)

 Albumin creatine ratio (mg/mmol)

0.5 (0.0–1.3)

 Serum creatinine (μmol/L)

78 (67–91)

 eGFR (mL/min/1.73m2)

79.5 ± 18.3

 Serum Mg2+ (mmol/L)

0.80 ± 0.08

Medication use, n (%)

 Insulin

743 (21)

 Glucose-lowering medication

2628 (76)

 Diuretics

1040 (30)

  1. Characteristics are presented as n (%), or mean ± SD, or median (interquartile range). Mg2+ in mmol/L. BMI = body mass index, DBP = diastolic blood pressure, DCS = Diabetes Care System, eGFR = estimated glomerular filtration rate, HbA1c = hemoglobin A1c, HDL = high density-lipoprotein cholesterol, LDL = low density, Mg2+ = magnesium ion, SBP = systolic blood pressure