Table 2 The relationship between level of serum bilirubin and migraine headache features
From: Association between serum bilirubin and migraine in children and adolescents
|  | Total bilirubin, mean ± SD | Direct bilirubin, mean ± SD | Indirect bilirubin, mean ± SD |
|---|---|---|---|
Aura | |||
 Without | 0.51 ± 0.14 | 0.17 ± 0.04 | 0.34 ± 0.09 |
 Visual aura | 0.55 ± 0.14 | 0.18 ± 0.05 | 0.36 ± 0.09 |
 Auditory aura | 0.49 ± 0.16 | 0.18 ± 0.07 | 0.31 ± 0.09 |
pvalue, *ANOVA test | 0.764 | 0.732 | 0.738 |
Migraine equivalents | |||
 Absent | 0.52 ± 0.13 | 0.17 ± 0.04 | 0.34 ± 0.09 |
 Present | 0.49 ± 0.14 | 0.16 ± 0.05 | 0.32 ± 0.09 |
pvalue, **ttest | 0.552 | 0.666 | 0.498 |
Frequency of episodes | |||
 High | 0.54 ± 0.13 | 0.18 ± 0.04 | 0.36 ± 0.09 |
 Low | 0.49 ± 0.14 | 0.17 ± 0.05 | 0.32 ± 0.09 |
pvalue, **ttest | 0.278 | 0.459 | 0.207 |
Pain rating | |||
 Mild | 0.49 ± 0.12 | 0.17 ± 0.04 | 0.32 ± 0.07 |
 Moderate | 0.50 ± 0.09 | 0.16 ± 0.03 | 0.34 ± 0.06 |
 Severe | 0.53 ± 0.16 | 0.18 ± 0.05 | 0.35 ± 0.10 |
pvalue, *ANOVA test | 0.691 | 0.749 | 0.616 |