Infants' length at birth:: an independent effect on perinatal mortality
Infants' length at birth:: an independent effect on perinatal mortality
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DOI：
10.1034/j.1600-0412.2000.079006459.x
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发表时间：
2000-06-01
影响因子：
4.3
通讯作者：
Oyen, N
中科院分区：
文献类型：
--
作者：
Melve, KK;Gjessing, HK;Oyen, N
瞄准调查出生身长（冠跟长）的变化是否与围产儿死亡率相关，而与出生体重无关。研究人群为1967年至1997年挪威医学出生登记处编制的妊娠16周的单胎活产和死胎，共计1，705，652例。使用出生时身长、出生体重和胎龄的z评分分析总人群。通过Logistic回归分析研究出生体重分层（250 g）内出生时身长对围产儿死亡率的影响。围产期死亡率的变化，出生长度比出生体重或胎龄，特别是以上的人口平均值。在出生体重分层中，围产期死亡率和身长之间的关联在所有250 g出生体重1500 g以上的类别中是相似的：出生身长低于平均值0-2 cm时死亡率最低，死亡率在两个方向都呈指数增长。在所有出生体重分层中，并根据胎龄调整，长的婴儿有较高的围产儿死亡风险，这表明出生时的长度可能是评估围产儿死亡风险的一个有价值的预测因素。
Aim. To investigate whether variations in birth length (crown-heel-length) were associated with perinatal mortality rate independent of birth weight.Material. The study population was singleton live- and stillbirths from 16 weeks of gestation compiled in the Medical Birth Registry of Norway from 1967 to 1997, totaling 1,705,652 births.Method. The total population was analyzed using z-scores for length at birth, birth weight and gestational age. Variation in perinatal mortality by length at birth was studied within birth weight strata (250 g) by logistic regression.Results. Perinatal mortality varied more by birth length than by birth weight or gestational age, especially for values above the population means. Within birth weight strata, the association between perinatal mortality and length was similar in all 250 g birth weight categories above 1500 grams: mortality was lowest at birth lengths 0-2 cm below average, with mortality rates increasing exponentially in either direction.Conclusion. Within all birth weight strata, and adjusted for gestational age, long infants had the higher risk of perinatal death, suggesting that length at birth may be a valuable predictor when assessing the risk of perinatal mortality.