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Table 4 Baseline characteristics and plasma Hcy levels of VVS patients

From: Plasma metabolomic profile in orthostatic intolerance children with high levels of plasma homocysteine

Characteristics

Special group

Common group

χ2/t/Z

P value

Cases, n

10

13

-

-

Males/females, n

4/6

7/6

-

0.680a

Age, years

13.08 ± 2.33

12.70 ± 1.83

0.421

0.678b

BMI, kg/m2

21.89 ± 4.72

18.68 ± 4.33

1.672

1.109b

Plasma Hcy, µmol/L

10.95 (9.94, 13.06)

11.17 (9.80, 15.07)

−0.279

0.780c

  1. Values represent n, mean SD, or median (interquartile range). BMI, body mass index; Hcy, homocysteine; VVS, vasovagal syncope; a, Fisher’s exact test; b, independent-samples Student’s t test; c, Mann–Whitney U test