Odita J C, Omene J A
Afr J Med Med Sci. 1982 Dec;11(4):191-4.
Thoracic spine length was measured on chest radiographs of forty-nine Nigerian neonates of known gestational age. There is a strong correlation between gestational age and thoracic spine length (r = 0.93). The small-for-gestational-age (SGA) infants had thoracic spine lengths below two standard deviations (s.d.) of the mean for the appropriate-for-gestational-age infants. This method is useful for identifying SGA infants on chest radiographs particularly when they are too ill to be subjected to the usual physical and neurological assessment of gestational age.
在49名已知孕龄的尼日利亚新生儿的胸部X光片上测量了胸椎长度。孕龄与胸椎长度之间存在很强的相关性（r = 0.93）。小于胎龄儿（SGA）的胸椎长度低于适于胎龄儿平均长度的两个标准差。这种方法有助于在胸部X光片上识别小于胎龄儿，特别是当他们病情太重而无法接受通常的孕龄体格和神经学评估时。
