Table 2.

ORs for SAH Death by Geographic Region and Sex

Region	OR (95% CI)a
	Proportion of sudden-death SAHs	30-d CFR in hospitalized patients with SAH	Overall 30-d CFR for SAH
Men
Southern	Reference	Reference	Reference
Central	1.08 (0.86–1.35)	1.60 (1.23–2.08)	1.36 (1.12–1.65)
Western	1.45 (1.16–1.81)	1.38 (1.04–1.84)	1.53 (1.25–1.88)
Northern	0.93 (0.75–1.17)	1.06 (0.80–1.39)	0.99 (0.81–1.20)
Eastern	1.52 (1.24–1.86)	1.37 (1.06–1.79)	1.52 (1.27–1.83)
Women
Southern	Reference	Reference	Reference
Central	1.11 (0.91–1.36)	1.39 (1.11–1.75)	1.28 (1.08–1.53)
Western	1.60 (1.32–1.94)	1.22 (0.95–1.57)	1.51 (1.26–1.80)
Northern	0.88 (0.71–1.10)	0.99 (0.77–1.27)	0.82 (0.77–1.11)
Eastern	1.21 (1.01–1.46)	1.28 (1.02–1.59)	1.29 (1.09–1.52)
Overall
Southern	Reference	Reference	Reference
Central	1.10 (0.95–1.28)	1.49 (1.25–1.76)	1.32 (1.16–1.50)
Western	1.55 (1.34–1.79)	1.29 (1.07–1.55)	1.52 (1.33–1.74)
Northern	0.91 (0.78–1.06)	1.02 (0.85–1.22)	0.95 (0.83–1.09)
Eastern	1.36 (1.18–1.55)	1.32 (1.11–1.57)	1.39 (1.23–1.58)

Abbreviations: CFR = case fatality rate; OR = odds ratio; SAH = subarachnoid hemorrhage.

^aAdjusted for age, sex, and study year