SELECT 
h.PF_CODE AS 都道府県コード, 
p.PF_NAME AS 都道府県名,
ROUND(CAST(h.INP_YES * 100 AS REAL)/CAST((h.INP_YES + h.INP_NO + h.UNIDENTIFIED) AS REAL), 1) AS 入院率
FROM HOSPITALIZATION h
JOIN PREFECTURE p
ON h.PF_CODE=p.PF_CODE
ORDER BY 入院率 DESC, 都道府県コード;