检索结果中受到关注的是出生体重、低出生体重、小于胎龄儿、围产期死亡率和新生儿死亡率。

Outcomes of interest were birth weight, low birth weight, small size for gestational age, perinatal mortality and neonatal mortality.

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胎龄小、体重低、胃肠道动力功能差及局部免疫应答能力低下、感染仍是NEC发病重要的影响因素。

Risk factors including the prematurity, low birth weight, immature intestinal immune function and poor motility, and bacterial infection bad been associated with the development of NEC.

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早产儿获得细菌定植与胎龄小、出生体重低、住院时间长、应用机械通气、胃肠外营养、长时间使用抗生素等因素有关。

The risk factors for colonization were gestational age, birth weight, length of hospitalization, mechanical ventilation, parenteral nutrition and length of antibiotic therapy.

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