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Table 1 Anthropometric and clinical features of girls according to tertiles of age

From: Vitamin D deficiency in girls from South Brazil: a cross-sectional study on prevalence and association with vitamin D receptor gene variants

Variable

Age in years (tertile)

p

<12.04 (77)

12.04-14.05 (80)

>14.05 (77)

Age (years)

10.9 ± 1.1a

13.0 ± 0.6a

15.2 ± 1.1a

<0.001

*Height percentile

66.21 (39.99-82.14)

55.65 (31.45-74.40)

41.87 (19.75-77.13)

0.066

*BMI percentile

62.9 (31.8-86.4)

59.9 (35.1-85.1)

61.8 (31.7-82.1)

0.967

Age at thelarche (years)

9.9 ± 1.0a

10.3 ± 1.1

10.5 ± 1.2a

0.013

Age at menarche (years)

10.9 ± 1.2a

11.6 ± 1.0b

12.1 ± 1.3ab

0.002

25(OH)D (ng/mL)

20.77 ± 6.97

22.10 ± 6.01

21.09 ± 7.33

0.492

  1. Values are expressed as mean ± SD or median and interquartile range (25-75%).
  2. p value by one-way analysis of variance (ANOVA).
  3. * Log10 transformation.
  4. Equal letters mean statistical difference between groups.