Table 1 Prevalence of comorbidities in asthmatics and risk of developing stroke

Hypertension

12–40% [55]

in treated controlled group aHR was 2.21 (95% CI, 1.01–4.82), in untreated hypertension group 2.55 (95% CI, 1.93–3.37), in treated uncontrolled group 4.30 (95% CI, 3.16–5.85) [56]

CAD

7.2–12.9% [57, 58]

HR of 1.8 (95% CI, 1.03–3.43) [59]

Atrial fibrillation

3.8–8.95% [60, 61]

aHR 3.13 (95% CI, 1.50–6.56) [62]

Obesity

21–48% [63,64,65,66]

OR 1.57, (95% CI,1.28–1.94) [67]

Diabetes mellitus

8.4%-31.1 [68, 69]

aHR 1.75, 95% CI, 1.64–1.86) [67]

OSAS

40–50% [70, 71]

HR 2.52, (95% CI, 1.04–6.01) [72]

GERD

25.4–82% [73, 74]

1.68-times more likely (95% CI, 1.03–2.76) [75]