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Table 4 Clinical characteristics associated with migraine’s phenotype

From: Dynamic fluctuations of salivary CGRP levels during migraine attacks: association with clinical variables and phenotypic characterization

Variables

CGRP-Independent

migraine

(n = 7)

CGRP-Dependent

migraine

(n = 32)

P value

Demographics

   

Age, y

47.0 (41.0, 51.5)

28.0 (23.8, 38.2)

0.013†

Female

7 (100.0%)

28 (87.5%)

> 0.999*

Comorbidities

   

Anxiety

5 (71.4%)

20 (62.5%)

> 0.999*

Depression

1 (14.3%)

5 (15.6%)

> 0.999*

Migraine characteristics

   

Duration of migraine disease, y

27.0 (22.0, 34.5)

15.5 (8.0, 25.5)

0.040‡

Aura

1 (14.3%)

19 (59.4%)

0.044*

Headache frequency (MHD), d/mo

18.0 (14.0, 23.0)

9.5 (6.0, 16.0)

0.010†

Migraine frequency (MMD), d/mo

8.0 (6.0, 16.0)

6.0 (3.0, 10.0)

0.108‡

Acute medication frequency, d/mo

10.0 (8.5, 16.0)

8.0 (6.0, 12.2)

0.136‡

Migraine-related clinical burden

   

Disability (MIDAS), score

31.0 (19.0, 69.5)

22.5 (10.0, 56.5)

0.410‡

Headache-related impact (HIT-6), score

66.0 (66.0, 67.0)

64.0 (61.0, 68.0)

0.335†

  1. Continuous data is represented in median (IQR) and categorical data in % (n). IQR: interquartile range; y: years, MHD monthly headache days; MMD: monthly migraine days; d/mo: days/month; MIDAS: migraine disability assessment; HIT-6: headache impact test
  2. Anxiety was considered when patients had ≥ 8 BAI score and depression, ≥ 14 BDI-II score
  3. Bold font indicates statistically significant variables
  4. *Statistical significance assessed with the Fisher’s exact test
  5. †Statistical significance assessed with unpaired t-test
  6. ‡Statistical significance assessed with unpaired Mann-Whitney U test