Table 3.
Age‐Adjusted Standardized Incidence Ratio of Migraine Headaches in Patients With SCAD
| Age, in Years, by Decade | Total With SCAD, n | Total SCAD With Migraine, n | Expected % With Migraine From Literature27 | Expected Total in SCAD With Migraine, n | SIR | 95% CI | P Value |
|---|---|---|---|---|---|---|---|
| All | 231 | 60 | 44 | 1.37 | (1.05–1.76) | 0.019 | |
| 30 to 39* | 23 | 10 | 28.4 | 7 | |||
| 40 to 49 | 67 | 20 | 25.8 | 17 | |||
| 50 to 59 | 90 | 22 | 18.5 | 17 | |||
| 60+ | 51 | 8 | 6.5 | 3 |
Age‐adjusted standardized incident ratio of migraine in SCAD patients compared with published literature values by age.27 SCAD indicates spontaneous coronary artery dissection; SIR, standardized incidence ratio.
*
One patient was 23, and she was included in the 30 to 39 age cohort. She had migraine headaches.