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- Publisher Website: 10.1080/080352500750043918
- Scopus: eid_2-s2.0-0033891966
- PMID: 10914954
- WOS: WOS:000088027800004
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Article: New reference for the age at childhood onset of growth and secular trend in the timing of puberty in Swedish
Title | New reference for the age at childhood onset of growth and secular trend in the timing of puberty in Swedish |
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Authors | |
Keywords | Child growth Childhood onset of growth Longitudinal study Timing of puberty |
Issue Date | 2000 |
Publisher | Blackwell Publishing Ltd. The Journal's web site is located at http://www.blackwellpublishing.com/journal.asp?ref=1328-8067&site=1 |
Citation | Acta Paediatrica, International Journal Of Paediatrics, 2000, v. 89 n. 6, p. 637-643 How to Cite? |
Abstract | The objectives of the present work were to present a new reference for the age at childhood onset of growth and to investigate the secular trend in the timing of puberty in a community-based normal population in Sweden. A total of 2432 children with longitudinal length/height data from birth to adulthood were used to determine the two measures by visual inspection of the measured attained length/height and the change in growth velocity displayed on a computer-generated infancy-childhood-puberty (ICP) based growth chart. The series represents a sample of normal full-term children born around 1974 in Goteborg, Sweden. We found about 10% of children were delayed (>12 mo of age) in the childhood onset of growth based on the previous reported normal range, i.e. 14% in boys and 8% in girls. Distribution of the age at childhood onset of growth was skewed. The medians were 10 and 9 mo for boys and girls, respectively. After natural logarithmic transformation, the mean and standard deviation (SD) were 2.29 (anti-log 9.9 mo) and 0.226 for boys, 2.23 (anti-log 9.3 mo) and 0.220 for girls, respectively. The 95% normal ranges were 6.3-15.4 and 6.0-14.3 for boys and girls, respectively. The distribution of the timing of PHV was close to the normal distribution. The mean values were 13.5 y for boys and 11.6 y for girls with 1 y SD for both sexes. Conclusion: A downward secular trend in the onset of puberty was clearly shown in the population. The age at childhood onset of growth did not correlate with the timing of puberty (r = -0.01 and 0.05, p > 0.7 and 0.1 in boys and girls, respectively). Normal ranges of the age at childhood onset of growth are in need of revise, as this study indicates. The new reference presented here could be a reliable indicator in further studies. |
Persistent Identifier | http://hdl.handle.net/10722/80038 |
ISSN | 2023 Impact Factor: 2.4 2023 SCImago Journal Rankings: 0.847 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Liu, YX | en_HK |
dc.contributor.author | Albertsson Wikland, K | en_HK |
dc.contributor.author | Karlberg, J | en_HK |
dc.date.accessioned | 2010-09-06T08:01:39Z | - |
dc.date.available | 2010-09-06T08:01:39Z | - |
dc.date.issued | 2000 | en_HK |
dc.identifier.citation | Acta Paediatrica, International Journal Of Paediatrics, 2000, v. 89 n. 6, p. 637-643 | en_HK |
dc.identifier.issn | 0803-5253 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/80038 | - |
dc.description.abstract | The objectives of the present work were to present a new reference for the age at childhood onset of growth and to investigate the secular trend in the timing of puberty in a community-based normal population in Sweden. A total of 2432 children with longitudinal length/height data from birth to adulthood were used to determine the two measures by visual inspection of the measured attained length/height and the change in growth velocity displayed on a computer-generated infancy-childhood-puberty (ICP) based growth chart. The series represents a sample of normal full-term children born around 1974 in Goteborg, Sweden. We found about 10% of children were delayed (>12 mo of age) in the childhood onset of growth based on the previous reported normal range, i.e. 14% in boys and 8% in girls. Distribution of the age at childhood onset of growth was skewed. The medians were 10 and 9 mo for boys and girls, respectively. After natural logarithmic transformation, the mean and standard deviation (SD) were 2.29 (anti-log 9.9 mo) and 0.226 for boys, 2.23 (anti-log 9.3 mo) and 0.220 for girls, respectively. The 95% normal ranges were 6.3-15.4 and 6.0-14.3 for boys and girls, respectively. The distribution of the timing of PHV was close to the normal distribution. The mean values were 13.5 y for boys and 11.6 y for girls with 1 y SD for both sexes. Conclusion: A downward secular trend in the onset of puberty was clearly shown in the population. The age at childhood onset of growth did not correlate with the timing of puberty (r = -0.01 and 0.05, p > 0.7 and 0.1 in boys and girls, respectively). Normal ranges of the age at childhood onset of growth are in need of revise, as this study indicates. The new reference presented here could be a reliable indicator in further studies. | en_HK |
dc.language | eng | en_HK |
dc.publisher | Blackwell Publishing Ltd. The Journal's web site is located at http://www.blackwellpublishing.com/journal.asp?ref=1328-8067&site=1 | en_HK |
dc.relation.ispartof | Acta Paediatrica, International Journal of Paediatrics | en_HK |
dc.subject | Child growth | en_HK |
dc.subject | Childhood onset of growth | en_HK |
dc.subject | Longitudinal study | en_HK |
dc.subject | Timing of puberty | en_HK |
dc.title | New reference for the age at childhood onset of growth and secular trend in the timing of puberty in Swedish | en_HK |
dc.type | Article | en_HK |
dc.identifier.email | Karlberg, J: jpekarl@hkucc.hku.hk | en_HK |
dc.identifier.authority | Karlberg, J=rp00400 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1080/080352500750043918 | - |
dc.identifier.pmid | 10914954 | - |
dc.identifier.scopus | eid_2-s2.0-0033891966 | en_HK |
dc.identifier.hkuros | 49706 | en_HK |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0033891966&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 89 | en_HK |
dc.identifier.issue | 6 | en_HK |
dc.identifier.spage | 637 | en_HK |
dc.identifier.epage | 643 | en_HK |
dc.identifier.isi | WOS:000088027800004 | - |
dc.publisher.place | United Kingdom | en_HK |
dc.identifier.scopusauthorid | Liu, YX=14068710900 | en_HK |
dc.identifier.scopusauthorid | Albertsson Wikland, K=19639814800 | en_HK |
dc.identifier.scopusauthorid | Karlberg, J=7005218406 | en_HK |
dc.identifier.issnl | 0803-5253 | - |