Disease progression among 446 children with newly diagnosed type 1 diabetes located in Scandinavia, Europe, and North America during the last 27 yr
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Disease progression among 446 children with newly diagnosed type 1 diabetes located in Scandinavia, Europe, and North America during the last 27 yr. / Andersen, Marie Louise Max; Nielsen, Lotte B; Svensson, Jannet; Pörksen, Sven; Hougaard, Philip; Beam, Craig; Greenbaum, Carla; Becker, Dorothy; Petersen, Jacob S; Hansen, Lars; Mortensen, Henrik B.
I: Pediatric Diabetes, Bind 15, Nr. 5, 08.2014, s. 345-354.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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T1 - Disease progression among 446 children with newly diagnosed type 1 diabetes located in Scandinavia, Europe, and North America during the last 27 yr
AU - Andersen, Marie Louise Max
AU - Nielsen, Lotte B
AU - Svensson, Jannet
AU - Pörksen, Sven
AU - Hougaard, Philip
AU - Beam, Craig
AU - Greenbaum, Carla
AU - Becker, Dorothy
AU - Petersen, Jacob S
AU - Hansen, Lars
AU - Mortensen, Henrik B
N1 - © 2013 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.
PY - 2014/8
Y1 - 2014/8
N2 - OBJECTIVE: To clarify whether the rate of decline in stimulated C-peptide (SCP) from 2 to 15 months after diagnosis has changed over an interval of 27 yr.RESEARCH DESIGN AND METHODS: The rate of decline in SCP levels at 1, 2, 3, 6, 9, 12, and 15 months after diagnosis was compared in four paediatric cohorts from Scandinavian and European countries including 446 children with new onset type 1 diabetes (T1D, 1982-2004). Findings were evaluated against 78 children (2004-2009) from the TrialNet studies.RESULTS: The mean rate of decline [%/month (±SEM)] in SCP for a 10-yr-old child was 7.7%/month (±1.5) in the 1982-1985 Cohort, 6.3%/month (±1.7) in the 1995-1998 Cohort, 7.8%/month (±0.7) in the 1999-2000 Cohort, and 10.7%/month (±0.9) in the latest 2004-2005 Cohort (p = 0.05). Including the TrialNet Cohort with a rate of decline in SCP of 10.0%/month (±0.9) the differences between the cohorts are still significant (p = 0.039). The rate of decline in SCP was negatively associated with age (p < 0.0001), insulin antibodies (IA) (p = 0.003), and glutamic acid decarboxylase-65 (GAD65A) (p = 0.03) initially with no statistically significant effect of body mass index (BMI) Z-score at 3 months. Also, at 3 months the time around partial remission, the effect of age on SCP was significantly greater in children ≤5 yr compared with older children (p ≤ 0.0001).CONCLUSIONS: During the past 27 yr, initial C-peptide as well as the rate of C-peptide decline seem to have increased. The rate of decline was affected significantly by age, GAD65A, and IA, but not BMI Z-score or initial C-peptide.
AB - OBJECTIVE: To clarify whether the rate of decline in stimulated C-peptide (SCP) from 2 to 15 months after diagnosis has changed over an interval of 27 yr.RESEARCH DESIGN AND METHODS: The rate of decline in SCP levels at 1, 2, 3, 6, 9, 12, and 15 months after diagnosis was compared in four paediatric cohorts from Scandinavian and European countries including 446 children with new onset type 1 diabetes (T1D, 1982-2004). Findings were evaluated against 78 children (2004-2009) from the TrialNet studies.RESULTS: The mean rate of decline [%/month (±SEM)] in SCP for a 10-yr-old child was 7.7%/month (±1.5) in the 1982-1985 Cohort, 6.3%/month (±1.7) in the 1995-1998 Cohort, 7.8%/month (±0.7) in the 1999-2000 Cohort, and 10.7%/month (±0.9) in the latest 2004-2005 Cohort (p = 0.05). Including the TrialNet Cohort with a rate of decline in SCP of 10.0%/month (±0.9) the differences between the cohorts are still significant (p = 0.039). The rate of decline in SCP was negatively associated with age (p < 0.0001), insulin antibodies (IA) (p = 0.003), and glutamic acid decarboxylase-65 (GAD65A) (p = 0.03) initially with no statistically significant effect of body mass index (BMI) Z-score at 3 months. Also, at 3 months the time around partial remission, the effect of age on SCP was significantly greater in children ≤5 yr compared with older children (p ≤ 0.0001).CONCLUSIONS: During the past 27 yr, initial C-peptide as well as the rate of C-peptide decline seem to have increased. The rate of decline was affected significantly by age, GAD65A, and IA, but not BMI Z-score or initial C-peptide.
KW - Body Mass Index
KW - C-Peptide
KW - Child
KW - Child, Preschool
KW - Cohort Studies
KW - Diabetes Mellitus, Type 1
KW - Disease Progression
KW - Europe
KW - European Continental Ancestry Group
KW - Female
KW - Glutamate Decarboxylase
KW - Humans
KW - Infant
KW - Insulin Antibodies
KW - Male
KW - North America
KW - Scandinavian and Nordic Countries
U2 - 10.1111/pedi.12098
DO - 10.1111/pedi.12098
M3 - Journal article
C2 - 24731251
VL - 15
SP - 345
EP - 354
JO - Pediatric Diabetes
JF - Pediatric Diabetes
SN - 1399-543X
IS - 5
ER -
ID: 138733793