Reference population for international comparisons and time trend surveillance of preterm delivery proportions in three countries

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Fältnamn	Indikatorer	Metadata
000		03881naa a2200565 4500
001		oai:gup.ub.gu.se/88451
003		SwePub
008		240528s2008 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://gup.ub.gu.se/publication/884512 URI
024	7	a https://doi.org/10.1186/1472-6874-8-162 DOI
040		a (SwePub)gu
041		a eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Morken, Nils-Halvdan,d 1969u Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper,Institute of Clinical Sciences4 aut0 (Swepub:gu)xmorni
245	1 0	a Reference population for international comparisons and time trend surveillance of preterm delivery proportions in three countries
264		c 2008-09-25
264	1	b Springer Science and Business Media LLC,c 2008
520		a BACKGROUND: International comparison and time trend surveillance of preterm delivery rates is complex. New techniques that could facilitate interpretation of such rates are needed. METHODS: We studied all live births and stillbirths (>or= 28 weeks gestation) registered in the medical birth registers in Sweden, Denmark and Norway from 1995 through 2004. Gestational age was determined by best estimate. A reference population of pregnant women was designed using the following criteria: 1) maternal age 20-35, 2) primiparity, 3) spontaneously conceived pregnancy, 4) singleton pregnancy and 5) mother born in the respective country. National preterm delivery rate, preterm delivery rate in the reference population and rate of spontaneous preterm delivery in the reference population were calculated for each country. RESULTS: The total national preterm delivery rate (< 37 completed gestational weeks), increased in both Denmark (5.3% to 6.1%, p < 0.001) and Norway (6.0% to 6.4%, p = 0.006), but remained unchanged in Sweden, during 1995-2004. In Denmark, the preterm delivery rate in the reference population (5.3% to 6.3%, p < 0.001) and the spontaneous preterm delivery rate in the reference population (4.4% to 6.8%, p < 0.001) increased significantly. No similar increase was evident in Norway. In Sweden, rates in the reference population remained stable. CONCLUSION: Reference populations can facilitate overview and thereby explanations for changing preterm delivery rates. The model also permits comparisons over time. This model may in its simplicity prove to be a valuable supplement to assessments of national preterm delivery rates for public health surveillance.
653		a Adult
653		a Birth Certificates
653		a Cross-Cultural Comparison
653		a Denmark/epidemiology
653		a Female
653		a Gestational Age
653		a Humans
653		a Incidence
653		a Infant
653		a Newborn
653		a Live Birth/epidemiology
653		a Norway/epidemiology
653		a Parity
653		a Population Surveillance/*methods
653		a Pregnancy
653		a Premature Birth/*epidemiology
653		a Reference Values
653		a Stillbirth/epidemiology
653		a Sweden/epidemiology
700	1	a Vogel, Ida,d 19664 aut
700	1	a Kallen, K.4 aut
700	1	a Skjaerven, R.4 aut
700	1	a Langhoff-Roos, J.4 aut
700	1	a Kesmodel, U. S.4 aut
700	1	a Jacobsson, Bo,d 1960u Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper,Institute of Clinical Sciences4 aut0 (Swepub:gu)xjacbo
710	2	a Göteborgs universitetb Institutionen för kliniska vetenskaper4 org
773	0	t BMC Womens Healthd : Springer Science and Business Media LLCg 8q 8x 1472-6874
856	4	u https://bmcwomenshealth.biomedcentral.com/track/pdf/10.1186/1472-6874-8-16
856	4 8	u https://gup.ub.gu.se/publication/88451
856	4 8	u https://doi.org/10.1186/1472-6874-8-16

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Av författaren/redakt...: Morken, Nils-Hal ...; Vogel, Ida, 1966; Kallen, K.; Skjaerven, R.; Langhoff-Roos, J ...; Kesmodel, U. S.; visa fler...; Jacobsson, Bo, 1 ...; visa färre...

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Av lärosätet: Göteborgs universitet

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