. 2018 Jul 12;144(8):712–717. doi: 10.1001/jamaoto.2018.0939

Table 3. Incidence Rate of Cochlear Disorders by Migraine Status.

Cohort	Mean Follow-up, y^a	Total Follow-up, Person-years^a	Cochlear Disorders, No. (%)^b	Incidence Rate^b^,^c
Migraine (n = 1056)	6.39	6750	55 (5.2)	81.4
Nonmigraine (n = 4224)	6.52	27 520	81 (1.9)	29.4

^{^a}

P = .15.

^{^b}

P < .001.

^{^c}

Per 1 million person-years.