《Table 2 Characteristics and differences between cases and controls》

《Table 2 Characteristics and differences between cases and controls》   提示:宽带有限、当前游客访问压缩模式
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《"Influence of polymorphisms in VEGF, ACE, TNF and GST genes on the susceptibility to retinopathy of prematurity among Chinese infants"》


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n (%)

Details of Study Subjects In this study,724 babies with ROP were recruited as cases and 878 healthy preterm babies without any ophthalmological disease were included as controls.The average gestational age at birth,birth weight and sex distribution of the subjects are shown in Table 2.Cases and controls differed significantly in gestational age(P<0.001)and birth weight(P=0.005),although differences in sex were not statistically significant(P=0.470).