Background: Intra-abdominal infections encompass a wide range of conditions from uncomplicated appendicitis to fecal peritonitis. Little is known about the burden of complicated intra-abdominal infection (cIAIs) in children in low- and middle-income countries (LMICs).

中文翻译：

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尼日利亚儿童复杂的腹腔感染的负担：最新经验和系统评价。

背景：腹腔内感染包括从单纯性阑尾炎到粪便性腹膜炎的多种疾病。对中低收入国家（LMIC）儿童的复杂腹腔内感染（cIAI）负担知之甚少。