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Table 3 Comparison of variables in quartiles of 25(OH)D concentration

From: Abdominal obesity is an independent predictor of serum 25-hydroxyvitamin D deficiency in adults with cerebral palsy

  Quartile 1 Quartile 2 Quartile 3 Quartile 4 p value
(n = 27) (n = 32) (n = 26) (n = 30)
25-hydroxnitamin D (25(OH)D) (ng/mL) 11.13 (3.51) 22.34 (3.85) 34.50 (3.62) 49.37 (8.10) NA
Age (yrs) 33.67 (15.6) 35.98 (13.87) 36.06 (12.56) 30.35 (1 L20) 0.317
Female (%) 44.00 26.67 18.30 36.67 0.082
GMFCS I-III (%) 29.31 25.86 25.86 18.97 0.201
GMFCS IV-V (%) 19.23 30.77 21.15 28.85 0.716
Body Mass (kg) 68.31 (28.3) 64.86 (21.37) 66.94 (23.28) 47.62 (22.79 0.006
Recumbent Length (cm) 158.35 (12.92) 159.14 (8.29) 161.99 (16.83) 157.3 (15.36) 0.684
Body Mass Index (kg∙m-2) 28.90 (9.9 M) 25.22 (7.23) 26.51 (6.18) 22.81 (5.47) 0.052
Waist Circumference (cm) 93.75 (19.06) 89.56 (24.73) 85.68 (17.01) 73.95 (15.60) 0.012
Hip Circumference (cm) 103.91 (17.34) 92.5 (13.62) 94.08 (12.77) 84.41 (19.78) 0.001
Parathyroid hormone (PTH). (pg/ml) 59.32 (32.87) 55.32 (26.83) 4 L89 (21.49) 40.84 (18.14) 0.036
  1. p-value are presented to represent significant trend testing across quartiles.