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Table 2 Headache Features and Characteristics of Respondents with Migraine According to Medication Overuse

From: Factors associated with acute medication overuse in people with migraine: results from the 2017 migraine in America symptoms and treatment (MAST) study

 

Not Overusing Medication n = 11,542

Overusing Medication n = 2107

Total Sample n = 13,649

Chi

P-value

MHDsa (mean ± SD)

4.3 ± 4.3

12.9 ± 8.6

5.6 ± 6.0

69.7

< 0.001

MHD category, n (%)

 0–4

8054 (69.8)

451 (21.4)

8505 (62.3)

2830.498

< 0.001

 5–9

2351 (20.4)

380 (18.0)

2731 (20.0)

  

 10–14

656 (5.7)

417 (19.8)

1073 (7.9)

  

  ≥ 15

481 (4.2)

859 (40.8)

1340 (9.8)

  

Cutaneous allodynia, n (%)

 No

7208 (62.5)

976 (46.3)

8184 (60.0)

192.380

< 0.001

 Yes

4334 (37.5)

1131 (53.7)

5465 (40.0)

  

MSSSa (scale of 0–21)

16.4 ± 3.0

17.8 ± 2.7

16.6 ± 3.0

19.433

< 0.001

Pain intensitya (scale of 0–10)

6.5 ± 1.6

7.4 ± 1.6

6.7 ± 1.6

22.7

< 0.001

  1. MHD monthly headache day, SD standard deviation, MSSS Migraine Symptom Severity Score
  2. aDetermined by independent-group t test