From:  Stroke burden and epidemiological trends in Saudi Arabia: 1990–2021

 Risk factor prevalence in Saudi stroke patients compared with controls [18].

Risk factorCases n (%)Controls n (%)Crude OR (95% CI)Adjusted OR (95% CI)
Hypertension721 (57.7%)397 (31.8%)2.93 (2.48–3.45)2.12 (1.74–2.57)
Diabetes mellitus617 (49.4%)323 (25.9%)2.80 (2.36–3.31)1.73 (1.41–2.21)
Obesity (BMI ≥ 30)525 (42.0%)385 (30.8%)1.63 (1.38–1.92)1.95 (1.61–2.28)
Hypercholesterolemia367 (29.4%)151 (12.1%)3.30 (2.45–3.73)1.64 (1.28–2.10)
Current smoking128 (10.3%)113 (9.0%)1.15 (0.88–1.50)NS
Physical inactivity1,085 (86.9%)875 (70.1%)RefRef
Regular exercise164 (13.1%)374 (29.9%)0.35 (0.29–0.43)0.12 (0.05–0.26)†

Multicenter case-control study, Aseer region, n = 2,498 (1,249 first-time stroke cases and 1,249 matched controls). †The magnitude of this association should be interpreted cautiously; see Discussion. BMI: body mass index; OR: odds ratio; CI: confidence interval; NS: not significant; Ref: reference category (physical inactivity used as the comparator group for the physical activity analysis).