Peter Ridefelt

Inter-laboratory variation for urine albumin among laboratories in a Swedish external quality assessment scheme 2005–2023

Lundgren, Morgan; Ridefelt, Peter; Kristoffersson, Carolina; Samuelsson, Ingegerd et al.

Ingår i Clinical Biochemistry, 2024

• DOI för Inter-laboratory variation for urine albumin among laboratories in a Swedish external quality assessment scheme 2005–2023
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Pediatric reference intervals for serum folate and cobalamin based on a European population without exposure to folic acid fortification

Ridefelt, Peter; Saldeen, Johan; Vogel, Mandy; Ceglarek, Uta et al.

Ingår i Scandinavian Journal of Clinical and Laboratory Investigation, s. 104-108, 2024

• DOI för Pediatric reference intervals for serum folate and cobalamin based on a European population without exposure to folic acid fortification
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Interlaboratory variation for NT-proBNP among Swedish laboratories in an external quality program 2011-2021

Lundgren, Morgan; Ridefelt, Peter; Karlsson, Mathias; Norling, Anna et al.

Ingår i Clinical Chemistry and Laboratory Medicine, s. 1643-1651, 2023

• DOI för Interlaboratory variation for NT-proBNP among Swedish laboratories in an external quality program 2011-2021
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The complexity of kidney disease and diagnosing it - Cystatin C, selective glomerular hypofiltration syndromes and proteome regulation.

Malmgren, Linnea; Öberg, Carl; den Bakker, Emil; Leion, Felicia et al.

Ingår i Journal of Internal Medicine, s. 293-308, 2023

• DOI för The complexity of kidney disease and diagnosing it - Cystatin C, selective glomerular hypofiltration syndromes and proteome regulation.
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Vitamin D status in children and adults in Sweden: dietary intake and 25-hydroxyvitamin D concentrations in children aged 10-12 years and adults aged 18-80 years

Nälsén, Cecilia; Becker, Wulf; Pearson, Monika; Ridefelt, Peter et al.

Ingår i Journal of Nutritional Science, 2020

• DOI för Vitamin D status in children and adults in Sweden: dietary intake and 25-hydroxyvitamin D concentrations in children aged 10-12 years and adults aged 18-80 years
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Inter-laboratory variation for urine albumin among laboratories in a Swedish external quality assessment scheme 2005–2023

Lundgren, Morgan; Ridefelt, Peter; Kristoffersson, Carolina; Samuelsson, Ingegerd et al.

Ingår i Clinical Biochemistry, 2024

• DOI för Inter-laboratory variation for urine albumin among laboratories in a Swedish external quality assessment scheme 2005–2023
• Ladda ner fulltext (pdf) av Inter-laboratory variation for urine albumin among laboratories in a Swedish external quality assessment scheme 2005–2023

Pediatric reference intervals for serum folate and cobalamin based on a European population without exposure to folic acid fortification

Ridefelt, Peter; Saldeen, Johan; Vogel, Mandy; Ceglarek, Uta et al.

Ingår i Scandinavian Journal of Clinical and Laboratory Investigation, s. 104-108, 2024

• DOI för Pediatric reference intervals for serum folate and cobalamin based on a European population without exposure to folic acid fortification
• Ladda ner fulltext (pdf) av Pediatric reference intervals for serum folate and cobalamin based on a European population without exposure to folic acid fortification

Interlaboratory variation for NT-proBNP among Swedish laboratories in an external quality program 2011-2021

Lundgren, Morgan; Ridefelt, Peter; Karlsson, Mathias; Norling, Anna et al.

Ingår i Clinical Chemistry and Laboratory Medicine, s. 1643-1651, 2023

• DOI för Interlaboratory variation for NT-proBNP among Swedish laboratories in an external quality program 2011-2021
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The complexity of kidney disease and diagnosing it - Cystatin C, selective glomerular hypofiltration syndromes and proteome regulation.

Malmgren, Linnea; Öberg, Carl; den Bakker, Emil; Leion, Felicia et al.

Ingår i Journal of Internal Medicine, s. 293-308, 2023

• DOI för The complexity of kidney disease and diagnosing it - Cystatin C, selective glomerular hypofiltration syndromes and proteome regulation.
• Ladda ner fulltext (pdf) av The complexity of kidney disease and diagnosing it - Cystatin C, selective glomerular hypofiltration syndromes and proteome regulation.

Vitamin D status in children and adults in Sweden: dietary intake and 25-hydroxyvitamin D concentrations in children aged 10-12 years and adults aged 18-80 years

Nälsén, Cecilia; Becker, Wulf; Pearson, Monika; Ridefelt, Peter et al.

Ingår i Journal of Nutritional Science, 2020

• DOI för Vitamin D status in children and adults in Sweden: dietary intake and 25-hydroxyvitamin D concentrations in children aged 10-12 years and adults aged 18-80 years
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Association of Test Results for 33 Frequently Used Laboratory Tests with Body Mass Index (BMI)

Helmersson-Karlqvist, Johanna; Lind, Lars; Ridefelt, Peter; Ärnlöv, Johan et al.

Ingår i CLINICAL AND EXPERIMENTAL INVESTIGATIONS, s. 2-4, 2020

Hemolysis interference in 10 coagulation assays on an instrument with viscosity-based, chromogenic, and turbidimetric clot detection

Hedeland, Ylva; Gustafsson, Christina M; Touza, Zinah; Ridefelt, Peter

Ingår i International Journal of Laboratory Hematology, s. 341-349, 2020

• DOI för Hemolysis interference in 10 coagulation assays on an instrument with viscosity-based, chromogenic, and turbidimetric clot detection
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Age- and sex-specific reference values for non-HDL cholesterol and remnant cholesterol derived from the Nordic Reference Interval Project (NORIP)

Ridefelt, Peter; Hagström, Emil; Svensson, Maria K.; Åkerfeldt, Torbjörn et al.

Ingår i Scandinavian Journal of Clinical and Laboratory Investigation, s. 39-42, 2019

• DOI för Age- and sex-specific reference values for non-HDL cholesterol and remnant cholesterol derived from the Nordic Reference Interval Project (NORIP)
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Lower creatinine concentration values and lower inter-laboratory variation among Swedish hospital laboratories in 2014 compared to 1996: results from the Equalis external quality assessment program

Helmersson, Johanna; Ridefelt, Peter; Boija, Elisabet Eriksson; Nordin, Gunnar

Ingår i Clinical Chemistry and Laboratory Medicine, s. 838-844, 2019

• DOI för Lower creatinine concentration values and lower inter-laboratory variation among Swedish hospital laboratories in 2014 compared to 1996: results from the Equalis external quality assessment program

Digoxin and Mortality in Patients With Atrial Fibrillation

Lopes, Renato D.; Rordorf, Roberto; De Ferrari, Gaetano M.; Leonardi, Sergio et al.

Ingår i Journal of the American College of Cardiology, s. 1063-1074, 2018

• DOI för Digoxin and Mortality in Patients With Atrial Fibrillation

Pediatric reference intervals for general clinical chemistry components: merging of studies from Denmark and Sweden

Ridefelt, Peter; Hilsted, Linda; Juul, Anders; Hellberg, Dan et al.

Ingår i Scandinavian Journal of Clinical and Laboratory Investigation, s. 365-372, 2018

• DOI för Pediatric reference intervals for general clinical chemistry components: merging of studies from Denmark and Sweden
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Dietary intake and biomarker status of folate in Swedish adults

Öhrvik, Veronica; Warensjö, Eva; Nälsén, Cecilia; Becker, Wulf et al.

Ingår i European Journal of Nutrition, s. 451-462, 2018

• DOI för Dietary intake and biomarker status of folate in Swedish adults
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Pediatric reference intervals for liver markers derived from healthy community-based subjects will improve diagnostic interpretation in children and adolescents

Larsson, Anders; Ridefelt, Peter

Ingår i Journal of Laboratory and Precision Medicine, s. 2, 2018

• DOI för Pediatric reference intervals for liver markers derived from healthy community-based subjects will improve diagnostic interpretation in children and adolescents

Perfluoroalkyl acid levels in first-time mothers in relation to offspring weight gain and growth

Gyllenhammar, Irina; Diderholm, Barbro; Gustafsson, Jan; Berger, Urs et al.

Ingår i Environment International, s. 191-199, 2018

• DOI för Perfluoroalkyl acid levels in first-time mothers in relation to offspring weight gain and growth
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Serum levels of brominated flame retardants (BFRs: PBDE, HBCD) and influence of dietary factors in a population-based study on Swedish adults

Bjermo, Helena; Aune, Marie; Cantillana, Tatiana; Glynn, Anders et al.

Ingår i Chemosphere, s. 485-491, 2017

• DOI för Serum levels of brominated flame retardants (BFRs: PBDE, HBCD) and influence of dietary factors in a population-based study on Swedish adults
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Albumin adjustment of total calcium does not improve the estimation of calcium status

Ridefelt, Peter; Helmersson-Karlqvist, Johanna

Ingår i Scandinavian Journal of Clinical and Laboratory Investigation, s. 442-447, 2017

• DOI för Albumin adjustment of total calcium does not improve the estimation of calcium status

Cystatin C Predicts Incident Cardiovascular Disease in Twins

Arpegard, Johannes; Magnusson, Patrik K. E.; Chen, Xu; Ridefelt, Peter et al.

Ingår i Journal of the American Heart Association, 2016

• DOI för Cystatin C Predicts Incident Cardiovascular Disease in Twins

Reference values for 34 frequently used laboratory tests in 80-year-old men and women

Helmersson, Johanna; Ridefelt, Peter; Lind, Lars; Larsson, Anders

Ingår i Maturitas, s. 97-101, 2016

• DOI för Reference values for 34 frequently used laboratory tests in 80-year-old men and women

Population-Based Pediatric Reference Intervals in General Clinical Chemistry: A Swedish Survey

Ridefelt, Peter

Ingår i Journal of Medical Biochemistry, s. 64-65, 2015

• DOI för Population-Based Pediatric Reference Intervals in General Clinical Chemistry: A Swedish Survey

Relative validation of the dietary intake of fatty acids among adults in the Swedish National Dietary Survey using plasma phospholipid fatty acid composition.

Warensjö Lemming, Eva; Nälsén, Cecilia; Becker, Wulf; Ridefelt, Peter et al.

Ingår i Journal of Nutritional Science, 2015

• DOI för Relative validation of the dietary intake of fatty acids among adults in the Swedish National Dietary Survey using plasma phospholipid fatty acid composition.
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Reference intervals for parathyroid hormone for 70-year-old males and females: exclusion of individuals from the reference interval based on sex, calcium, diabetes, cardiovascular diseases or reduced kidney function has limited effects on the interval

Larsson, Anders; Ridefelt, Peter; Melhus, Håkan; Lind, Lars

Ingår i Annals of Clinical Biochemistry, s. 39-43, 2015

• DOI för Reference intervals for parathyroid hormone for 70-year-old males and females: exclusion of individuals from the reference interval based on sex, calcium, diabetes, cardiovascular diseases or reduced kidney function has limited effects on the interval

Increased plasma glucose levels after change of recommendation from NaF to citrate blood collection tubes

Ridefelt, Peter; Åkerfeldt, Torbjörn; Helmersson-Karlqvist, Johanna

Ingår i Clinical Biochemistry, s. 625-628, 2014

• DOI för Increased plasma glucose levels after change of recommendation from NaF to citrate blood collection tubes

Pediatric reference intervals - The Swedish experience

Ridefelt, Peter

Ingår i Clinical Biochemistry, s. 740-741, 2014

• DOI för Pediatric reference intervals - The Swedish experience

Alkaline phosphatase in healthy children: reference intervals and prevalence of elevated levels.

Ridefelt, Peter; Gustafsson, Jan; Aldrimer, Mattias; Hellberg, Dan

Ingår i Hormone Research in Paediatrics, s. 399-404, 2014

• DOI för Alkaline phosphatase in healthy children: reference intervals and prevalence of elevated levels.

Biomonitoring study of deoxynivalenol exposure and association with typical cereal consumption in Swedish adults

Wallin, S.; Hardie, L. J.; Kotova, N.; Warensjö-Lemming, Eva et al.

Ingår i World Mycotoxin Journal, s. 439-448, 2013

• DOI för Biomonitoring study of deoxynivalenol exposure and association with typical cereal consumption in Swedish adults

Differential diagnostic yield of lumbar puncture in investigation of suspected subarachnoid haemorrhage: a retrospective study

Brunell, Anna; Ridefelt, Peter; Zelano, Johan

Ingår i Journal of Neurology, s. 1631-1636, 2013

• DOI för Differential diagnostic yield of lumbar puncture in investigation of suspected subarachnoid haemorrhage: a retrospective study

Referensintervall för barn för vanliga klinisk-kemiska analyser

Ridefelt, Peter; Aldrimer, Mattias; Rödöö, Peo; Gustafsson, Jan et al.

Ingår i Läkartidningen, s. 1927-1930, 2013

Population-based pediatric reference intervals for HbA1c, bilirubin, albumin, CRP, myoglobin and serum enzymes

Rodoo, Peo; Ridefelt, Peter; Aldrimer, Mattias; Niklasson, Frank et al.

Ingår i Scandinavian Journal of Clinical and Laboratory Investigation, s. 361-367, 2013

• DOI för Population-based pediatric reference intervals for HbA1c, bilirubin, albumin, CRP, myoglobin and serum enzymes

Population-based pediatric reference intervals for hematology, iron and transferrin

Aldrimer, Mattias; Ridefelt, Peter; Rodoo, Peo; Niklasson, Frank et al.

Ingår i Scandinavian Journal of Clinical and Laboratory Investigation, s. 253-261, 2013

• DOI för Population-based pediatric reference intervals for hematology, iron and transferrin

Referensintervall för barn för vanliga klinisk-kemiska analyser: [Pediatric reference ranges for clinical chemistry analyzes]

Ridefelt, Peter; Aldrimer, Mattias; Rödöö, Peo; Gustafsson, Jan et al.

Ingår i Läkartidningen, s. 1927-1930, 2013

Kreatininvärden bör kompletteras med GFR-beräkningar: [Creatinine values ​​should be complemented with GFR estimates]

Ridefelt, Peter; Aldrimer, Mattias; Gustafsson, Jan; Hellberg, Dan

Ingår i Läkartidningen, 2013

Diurnal variability of total calcium during normal sleep and after an acute shift of sleep

Ridefelt, Peter; Axelsson, John; Larsson, Anders

Ingår i Clinical Chemistry and Laboratory Medicine, s. 147-151, 2012

• DOI för Diurnal variability of total calcium during normal sleep and after an acute shift of sleep

Population-based pediatric reference intervals for general clinical chemistry analytes on the Abbott Architect ci8200 instrument

Ridefelt, Peter; Aldrimer, Mattias; Rodoo, Per-Olof; Niklasson, Frank et al.

Ingår i Clinical Chemistry and Laboratory Medicine, s. 845-851, 2012

• DOI för Population-based pediatric reference intervals for general clinical chemistry analytes on the Abbott Architect ci8200 instrument

Reference intervals on the Abbot Architect for serum thyroid hormones, lipids and prolactin in healthy children in a population-based study

Aldrimer, Mattias; Ridefelt, Peter; Rodoo, Peo; Niklasson, Frank et al.

Ingår i Scandinavian Journal of Clinical and Laboratory Investigation, s. 326-332, 2012

• DOI för Reference intervals on the Abbot Architect for serum thyroid hormones, lipids and prolactin in healthy children in a population-based study

Influences of sleep and the circadian rhythm on iron-status indices

Ridefelt, Peter; Larsson, Anders; Rehman, Javaid-ur; Axelsson, John

Ingår i Clinical Biochemistry, s. 1323-1328, 2010

• DOI för Influences of sleep and the circadian rhythm on iron-status indices

Circadian variability of bilirubin in healthy men during normal sleep and after an acute shift of sleep

Larsson, Anders; Hassan, Moustapha; Ridefelt, Peter; Axelsson, John

Ingår i Chronobiology International, s. 1613-1621, 2009

• DOI för Circadian variability of bilirubin in healthy men during normal sleep and after an acute shift of sleep

Fecal markers of inflammation used as surrogate markers for treatment outcome in relapsing inflammatory bowel disease

Wagner, Michael; Peterson, Christer G. B.; Ridefelt, Peter; Sangfelt, Per et al.

Ingår i World Journal of Gastroenterology, s. 5584-5589, 2008

• DOI för Fecal markers of inflammation used as surrogate markers for treatment outcome in relapsing inflammatory bowel disease

Lactose intolerance: lactose tolerance test versus genotyping

Ridefelt, Peter; Håkansson, Lena D

Ingår i Scand J Gastroenterol, s. 822-6, 2005

Antithrombin administration during experimental cardiopulmonary resuscitation

Johansson, Jakob; Ridefelt, Peter; Basu, Samar; Rubertsson, Sten

Ingår i Resuscitation, s. 71-78, 2004

• DOI för Antithrombin administration during experimental cardiopulmonary resuscitation

Different secretory actions of pancreastatin in bovine and human parathyroid cells.

Ridefelt, P; Hellman, Per; Stridsberg, M; Åkerström, Göran et al.

Ingår i Biosci Rep, s. 221-9, 1994

Estimating reliable paediatric reference intervals in clinical chemistry and haematology

Ridefelt, Peter; Hellberg, Dan; Aldrimer, Mattias; Gustafsson, Jan

Ingår i Acta Paediatrica, s. 10-15, 2014

• DOI för Estimating reliable paediatric reference intervals in clinical chemistry and haematology

NT-proBNP and its correlation to left ventricular ejection fraction and heart failure – the DEMONSTRATE database

Lundgren, Morgan; Ridefelt, Peter; Svensson, Maria K.; Hagström, Emil et al.