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Table 1 Clinical and phenotypic characteristics of the study participants

From: The association of vitamin D binding protein levels and genotypes with type 1 diabetes in the black South African population

Variables

Cases

(n = 169)

Controls

(n = 165)

p value

Age (years)

26.4 ± 8.62

29.1 ± 9.45a

0.007

Age at diagnosis (year)

18.2 ± 6.92b

-

-

Duration of disease (years)

6.00 [2.00; 11.0]b

-

-

Sex

   

  Males, % (n)

50.9 (86)

44.2 (73)

0.224

  Females, % (n)

49.1 (83)

55.8 (92)

 

Glucose (mmol/L)

9.20 [5.75; 15.0]c

5.60 [4.65; 7.50]d

< 0.001

HbA1c (%)

10.7 ± 3.30c

-

-

BMI (kg/m2)

24.8 ± 5.89e

27.8 ± 6.01f

< 0.001

VDBP concentration (mg/mL)

0.43 ± 0.19e

0.41 ± 0.15b

0.356

  1. Results are presented as median values [lower quartile; upper quartile] for skewed data and as mean ± standard deviation for non-skewed data and % (n) for categorical variables; Missing data: a11, b1, c13, d5, e2, f4