-- SQLite
select
  p.pf_code 都道府県コード,
  p.pf_name 都道府県名,
  round(cast(h.inp_yes as REAL) / cast (h.inp_yes + h.inp_no + h.unidentified as REAL) * 100, 1) 入院率
from
  hospitalization h
  join prefecture p using (pf_code)