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Table 1 Demographic and clinical features of chronic migraine patients pre- and post-treatment

From: Cortical and subcortical changes following sphenopalatine ganglion blocks in chronic migraine with medication overuse headache: a preliminary longitudinal study

Demographics

 Sample Size (n)

12

 

 Age (Years)

44.3 ± 12.2

 

 Gender

12 female

 

 Race/Ethnicity

9 white / 3 black

Clinical Measures

 History of Migraine (Years)

22.3 ± 13.2

 

 History of Chronic Migraine (Years)

2.1 ± 1.2

 

 Cranial Autonomic Symptoms:

Yes = 8 / No = 4

Measure

Baseline

End of Treatment

 ***Moderate to severe HA (days/month)

20.7 ± 7.2

9.8 ± 7.2

 **Allodynia Score

5.7 ± 3.1

2 ± 2.5

 ***HIT-6 (Headache Impact Test)

65.7 ± 2.9

57.9 ± 4.9

 *PHQ-9 (Patient Health Questionnaire)

9.9 ± 6.6

4.3 ± 2.8

  1. Significance of pre-post difference indicated by asterisks (*** p < 0.0005, ** p < 0.005, * p < 0.05). Abbreviations: BMI Body mass index, HA Moderate to severe headache days, ASC-12 Allodynia symptoms checklist, HIT-6 Headache impact test, PHQ-9 Patient health questionnaire-9