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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