Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/48890
Title: Postnatal growth in very low birth weight infants: A new somatometric index evaluation
Authors: Domínguez Ortega, F.
Cidras Pidre, M.
González Azpeitia, G. 
Issue Date: 1997
Publisher: 0302-4342
Journal: Anales Espanoles de Pediatria 
Abstract: Objective: We have studied the postnatal growth of very low birth weight infants by using a differential index in reference to intrauterine growth evaluated by means of Lubchenko and Usher graphs. Patients and methods: We analyzed the postnatal growth between birth and hospital discharge of 194 infants with birth weights less than 1500 g. No selection was made according to pathology and those newborns who died are treated as missing values. The differential index was calculated as the percentage deviation of the studied parameter and its 10th percentile and the range between the 10th and 90th percentiles. Results: The weight differential index decreased between birth and hospital discharge (20.8 ± 33.3 versus -10.03 ± 30.6, t = 16.97, p < 0.001), as well as that of the height differential index (30.9 ± 39.1 versus -10.05 ± 44.35, t = 5.65, p < 0.001), with that of cephalic growth being unchanged (23.2 ± 43.2 versus 40.4 ± 35.4, t = -2.29, p = NS). Newborns included in the early discharge program had a worse differential index at the final discharge than at early discharge (-19.1 ± 27.9 versus -9.8 ± 2.2, t = -6.1, p < 0.001). Height and cephalic growth was better at the final hospital discharge (-6.6 ± 46.1 versus 22.7 ± 26.1, t = -2.8, p < 0.05; 28.8 ± 37.7 versus 50.1 ± 27.5, t = -3.48, p < 0.01).
URI: http://hdl.handle.net/10553/48890
ISSN: 0302-4342
Source: Anales Espanoles de Pediatria[ISSN 0302-4342],v. 47, p. 508-514
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