Table 4.

Risk of ischemic stroke after influenza‐like illness, stratified by age

	Overall	Age 18–45	Age 45.1–65	Age ≥ 65
0–15 days	2.88 (1.86–4.47)	9.28 (1.72–50.2)	2.71 (1.06–6.93)	2.65 (1.59–4.43)
15–30 days	1.73 (0.99–3.00)	2.00 (0.13–31.9)	1.21 (0.54–2.71)	2.27 (1.29–3.97)
30–60 days	1.68 (1.13–2.51)	1.11 (0.17–7.05)	1.09 (0.29–4.08)	1.83 (1.21–2.76)