Table 3.

Relative survival rate after non-fatal first-ever stroke by types of stroke and gender in the Shiga Stroke Registry

Variable		Men		Women		Men and Women
		Survival rate (%)	95% CI	Survival rate (%)	95% CI	Survival rate (%)	95% CI
Total stroke		83.2	79.7–86.7	80.6	76.5–84.6	82.0	79.4–84.7
Ischemic stroke		83.3	79.0–87.5	79.1	73.7–84.6	81.6	78.2–84.9
	Lacunar infarction	92.1	85.1–99.2	93.3	84.0–100.0	92.6	87.0–98.2
	Large artery infarction	79.8	72.4–87.2	77.9	67.7–88.1	79.1	73.1–85.1
	Cardioembolic infarction	65.5	54.7–76.4	62.3	50.7–73.8	64.0	56.1–71.9
	Other/undetermined*	93.7	85.5–100.0	83.2	71.9–94.6	89.3	82.5–96.0
Hemorrhagic stroke		83.1	76.9–89.3	82.7	76.8–88.6	82.9	78.6–87.1
	Intracerebral hemorrhage	82.7	75.8–89.6	81.9	74.5–89.4	82.3	77.2–87.4
	Subarachnoid hemorrhage	85.2	71.6–98.8	84.2	75.1–93.3	84.5	76.9–92.1

Relative survival rates were calculated the ratio of observational survival rates to the expected survival rates in the age, sex, and calendar year matched general Japanese population. The expected survival rate were calculated by Ederer I methods. [15]

CI, confidence interval.

^*Ischemic stroke with other determined etiology or ischemic stroke with undetermined etiology.