[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"kakomon-q-2025-ippan-52":3},{"slug":4,"exam_year":5,"exam_round":6,"section":7,"section_code":8,"number":9,"body":10,"choices":11,"correct_indices":28,"explanation":29,"has_explanation":15,"tags":30},"2025-ippan-52",2025,3,"一般","ippan",52,"集団の中である一時点における疾病罹患割合はどれか。",[12,16,20,22,25],{"index":13,"body":14,"is_correct":15},1,"有病率",true,{"index":17,"body":18,"is_correct":19},2,"発生率",false,{"index":6,"body":21,"is_correct":19},"治癒率",{"index":23,"body":24,"is_correct":19},4,"生存率",{"index":26,"body":27,"is_correct":19},5,"寛解率",[13],"正答は1（有病率）。有病率（prevalence）は、ある一時点で集団のうち疾病をもつ個体の割合を表す。2発生率（罹患率、incidence）は一定期間に新たに発症した割合、3治癒率は治った割合、4生存率は生存した割合、5寛解率は症状が治まった割合で、いずれも『一時点の罹患割合』を表す指標ではない。**覚え方**: 有病率＝ある瞬間に病気をもつ割合（ストック）、発生率＝期間内の新規発症（フロー）。",null]