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. Author manuscript; available in PMC: 2011 Jun 1.
Published in final edited form as: Headache. 2010 Jan 20;50(6):1031–1040. doi: 10.1111/j.1526-4610.2009.01609.x

Table 2.

Migraine features according to migraine aura status among women with active migraine in the Women’s Health Study (n=3,610)*

Feature Active migraine with aura (N=1,434) Active migraine without aura (N=2,176) P value†
Attack duration 4–72 hours 74.6 (1,068) 79.8 (1,738) 0.0002
Unilateral pain location 61.3 (879) 58.4 (1,273) 0.08
Nausea/vomiting 61.6 (882) 66.0 (1,438) 0.007
Pulsating pain quality 49.7 (710) 55.7 (1,213) 0.0004
Photophobia 74.3 (1,062) 59.7 (1,299) <0.0001
Phonophobia 42.2 (603) 40.5 (880) 0.30
Aggravation by physical activity 33.8 (482) 33.3 (725) 0.75
*

Data are expressed as age-adjusted percentages (numbers).

†

P values were calculated from 1 df Mantel-Haenszel chi-square tests for categorical variables.