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. Author manuscript; available in PMC: 2014 Apr 8.
Published in final edited form as: Cephalalgia. 2010 Feb;30(2):214–223. doi: 10.1111/j.1468-2982.2009.01916.x

Table 2.

Age-adjusted standardized morbidity ratio of migraine and chronic daily headache in CRPS participants compared with the general population

Total
Female
Male
SMR* 95% CI† SMR 95% CI SMR 95% CI
Migraine 3.64 2.87, 4.56 3.40 2.62, 4.34 5.98 3.14, 10.39
Probable migraine and migraine 2.08 1.66, 2.58 2.00 1.56, 2.52 2.70 1.46, 4.60
CDH 1.94 1.22, 2.94 1.60 0.95, 2.54 12.5 3.97, 30.15
*

SMR, Standardized Morbidity Ratio; this represents the age- and gender-adjusted ratio of observed migraine prevalence in the patient population compared with the expected migraine prevalence based on general population data (25, 26).

†

95% confidence intervals that do not include 1.0 are statistically significant.