The incidence and outcome of the stroke in Oguni area in 1997-1999.

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  • １９９７年から１９９９年までの熊本県阿蘇郡小国町・南小国町における脳卒中の発生頻度とその結果

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Abstract

From January, 1997 to December 1999, the first-stroke-in-life of the approximately 14, 000 residents were evaluated in Oguni and Minamioguni towns in Kumamoto prefecture. The subjects were the patients treated at Oguni Municipal Hospital.<BR>The annual incidence rate was 228 per 100, 000. The sex ratio was 50: 50. The group aged more than 65 had the higher rate of 758, and constituted 81% of the subjects. The rates of cerebral infarction (CI), intracerebral hemorrhage (ICH), and subarachnoid hemorrhage (SAH) were 140, 62, and 28, respectively. The percentages were 61%, 27% and 12%. The average age was 72 years old. The average ages of the men and women of CI were 71 and 77; of ICH, 64 and 73; and of SAH, 70 and 73. The average hospital stay was 27 days. The outcome was evaluated at the discharge. 64% of CI were good. 55% of SAH and 50% of ICH died. Altogether, 51% were good, 25% were dependent, and 24% were dead. The age group of 80's and older had poor prognosis.<BR>The aging caused more incidence and poor prognosis of the stroke.

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