健康足月儿阴茎拉伸长度：尼日利亚东南部伊博族婴儿的规范值
Stretched penile length of healthy term neonates: normative values among Igbo babies in southeastern Nigeria.
作者信息
Chikani Ugo N, Chinawa Josephat M, Ikefuna Anthony N, Ibekwe Maryann U
机构信息
Department of Paediatrics, University of Nigeria Teaching Hospital, Ituku-Ozalla, Enugu, Nigeria.
Department of Paediatrics, Ebonyi State University, Abakaliki, Nigeria
出版信息
J Trop Pediatr. 2015 Feb;61(1):69-73. doi: 10.1093/tropej/fmu064. Epub 2014 Dec 1.
AIM
To determine the normative values of stretched penile length in apparently healthy term Igbo newborn males in South eastern Nigeria and its relationship with gestational age, birth weight and birth length.
METHODS
Eight hundred and eleven apparently healthy term male neonates within the first 72 h of life were studied. Enrolled subjects were consecutively delivered babies of Igbo extraction from three hospitals. The stretched penile length was measured using Schonfeld method, and the smoothed centiles (3 rd to 97th percentile values) for stretched penile length by gestational age were determined.
RESULTS
The mean stretched penile length of term newborns was 3.46 ± 0.44 cm. The lower and upper limits (±2.5 SD) were 2.36-4.56 cm. Stretched penile length correlated positively with birth length and birth weight (r = 0.343, p = 0.001; r = 0.229, p = 0.001).
CONCLUSION
This study has created the first smoothed percentile values for stretched penile length by gestational age for Igbo babies.
目的
确定尼日利亚东南部表面健康的足月伊博族新生儿阴茎伸展长度的标准值，及其与胎龄、出生体重和出生身长的关系。
方法
对出生后72小时内的811名表面健康的足月男婴进行研究。纳入的受试者是来自三家医院连续分娩的伊博族婴儿。采用舍恩菲尔德方法测量阴茎伸展长度，并确定按胎龄划分的阴茎伸展长度的平滑百分位数（第3至97百分位数值）。
结果
足月新生儿阴茎伸展长度的平均值为3.46±0.44厘米。下限和上限（±2.5标准差）为2.36 - 4.56厘米。阴茎伸展长度与出生身长和出生体重呈正相关（r = 0.343，p = 0.001；r = 0.229，p = 0.001）。
结论
本研究首次为伊博族婴儿按胎龄划分的阴茎伸展长度创建了平滑百分位数。
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