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2023年の日本における潰瘍性大腸炎とクローン病の患者数と罹患率の全国的な見積もり
Anna Tsutsui1, Yoshitaka Murakami2, Yuji Nishiwaki3
1Department of Medical Statistics, School of Medicine, Toho University, 5-21-16 Omori-Nishi, Ota-Ku, Tokyo, 143-8540, Japan. anna.tsutsui@med.toho-u.ac.jp.
Journal of gastroenterology
|September 2, 2025
まとめ
潰瘍性大腸炎 (UC) とクロン病患者の数
科学分野:
- 胃腸科と肝臓科
- 流行病学について
- 公衆衛生
背景:
- 日本における炎症性腸疾患の流行に関する最後の全国的な調査は2015年に実施されました.
- 日本における潰瘍性大腸炎 (UC) とクローン病 (CD) に関する最新流行病学的データが必要である.
研究 の 目的:
- 2023年の日本におけるUCとCDの現在の患者数と罹患率を推定する.
- 更新された流行データと2015年の調査結果を比較する.
主な方法:
- 病院全体の調査で 関連部門のランダム抽選を行いました
- 2023年にUCとCDの性別別患者データを収集するために,アンケートが配布されました.
- 年間患者数と罹患率の見積もりを計算し,2015年のデータと比較した.
主要な成果:
- 推定患者数は2015年以来1. 4倍増加し,UCでは約316,900人,CDでは約95,700人に達した.
- 人口10万人に占めるUCの発生率は254. 8%,CDの発生率は77. 0であった.
- 男性と女性の比率はUCでは1. 31であり,CDでは2. 49であり,UCとCDの比率は3. 31であった.
結論:
- 日本ではUCとCDの両方の患者数と流行率が着実に増加しています.
- これらの発見は,病気の負担が増加していることを強調し,継続的な監視の必要性を強調しています.
- この増加傾向に寄与する要因を理解するために,さらなる研究が推奨されています.
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