Table 1 BMI, migraine duration, age of headache onset, number of headache days last 4 weeks, and number of subjects with 15 or more headache days is last 4 weeks. OR- odds ratio, 95% CI, 95% confidence interval
From: Fibromyalgia in migraine: a retrospective cohort study
Cases (n = 157) | Controls (n = 471) | OR | 95% CI | p-value | |
|---|---|---|---|---|---|
BMI, mean (SD) | 28.5 (6.7) | 27.8 (6.9) | 1.02 | 0.99 to 1.04 | 0.24 |
Duration of migraine attacks (hrs), mean (SD) | 29.6 (35.5) | 30.8 (95.1) | 1.0 | 0.997 to 1.002 | 0.88 |
Age of onset of headaches (years), mean (SD) | 20.6 (13.5) | 21.1 (13.0) | 0.997 | 0.98 to 1.01 | 0.67 |
Headache days in last 4 weeks, mean (SD) | 18.7 (8.8) | 18.3 (9.1) | 1.01 | 0.99 to 1.03 | 0.63 |
15 or more headache days in last 4 weeks, n (%) | 111 (70.7) | 311 (66.0) | 1.24 | 0.84 to 1.83 | 0.28 |