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. 2012 Dec 5;7(12):e51250. doi: 10.1371/journal.pone.0051250

Table 1. Demographic characteristics of subjects.

Information Healthy controls (n = 43 ) Patients with migraine (n = 43) p-value
Age (years) 33.4±10.2 32.6±11.1 0.4
Education (years) 11.9±6.3 12.2±7.4 0.4
Disease duration (years) N/A 14.5±6.8 -
Migraine attacks during past four weeks
Attack duration (hours) N/A 13.7±9.9 -
Attack frequency (times) N/A 4.3±2.1 -
Average pain intensity (0–10) N/A 5.5±1.6 -