Table 1 Detailed characteristics of studies included in the meta-analysis
Study | Data source/Country/Region | Study design | Calendar time period of study | Age at onset/Age at diagnosis/diabetes duration | Sample size | Mean attained age/Mean current age (years) | Female (%total) | Mean diabetes duration(Years) | Mean follow-up time(Years) | Effect estimate of all-cause mortality |
|---|---|---|---|---|---|---|---|---|---|---|
Kostraba et al.(1991) | Children's Hospital of Pittsburgh Insulindependent Diabetes Mellitus Registry of/USA | Caseācontrol | 1950ā1981 | Age at onset | 924 | 28.32 | 87.88 | 19.1 | 20.0 | RR |
Modan et al.(1991) | the DERI study group activitie/Israel | Cohort | 1965ā1979 | Age at diagnosis | 614 | NR | NR | NR | 11.5 | OR(calc) |
COLLADO-MESA et al.(1997) | Havana City Province data from the National Registry of IDDM/Cuba | Cohort | 1965ā1980 | Age at diagnosis | 504 | NR | 48.6 | 25.0 | 17.5 | HR(extracting from Kapla-Meier curves) |
NlSHIMURA et al.(1998) | two nationwide IDDM surveys/Japan | Caseācontrol Cohort | 1965ā1979 | Age at onset | 1,286 | 23.28 | 40.05 | NR | 11.55 | Caseācontrol: RR Cohort: OR(calc) |
MĆ¼hlhause et al. (2000) | the diabetes centre of the DĆ¼sseldorfuniversity Hospital/Germany | Cohort | 1978ā1994 | Diabetes duration | 3,570 | 27.5 | 50.3 | 10.6 | 10.3 | HR |
ASAO et al.(2003) | Nationwide surveys/Japan; the National Social Insurance Institution /Finland | Cohort | 1965ā1979 | Age at diagnosis | Japan:1,408 Finland:5,126 | NR | Japan:59.80 Finland:45.04 | Japan:3.5 Finland: 4.2 | Japan: 16.3 Finland:17.8 | Japan: aHR Finland: aHR |
BarcelĆ³ et al.(2007) | Havana City Province data from the National Registry of IDDM/Cuba | Cohort | AC:1965ā1979 HA:1965ā1980 | Age at onset | 504 | NR | 48.61 | 16.5 | NR | OR(calc) |
Rendas-Baum et al. (2006) | the New Jersey 725 study/USA | Caseācontrol | 1993ā1998 | Diabetes duration | 725 | 29.00 | 58.34 | 9.50 | 3.0 | HR |
Dawson et al.(2008) | the Canterbury Diabetes Registry/ New Zealand | Cohort | 1984ā2004 | Age at onset | 989 | 52.36 | 50.66 | 16.80 | 13.60 | OR(calc) |
SECREST et al.(2010) | The Allegheny County Type 1 Diabetes Registry cohort/ USA | Cohort | 1965ā1979 | Age at onset | 1,075 | 42.8 | 48.0 | 31.9 | 33.0 | OR(calc) |
Washington et al.(2014) | the USVI Childhood (<ā19Ā years old) Diabetes Registry/USA | Cohort | 1979ā2005 | Age at onset | 103 | 28.2 | 52.4 | 16.8 | 16.8 | OR(calc) |
Gagnum et al.(2015) | the nationwide, population based Norwegian Childhood Diabetes Registry/Norway | Cohort | 1973ā1982; 1989ā2012 | Age at diagnosis | 7,884 | NR | 46.0 | 16.8 | 16.8 | aHR |
Marshall et al.(2016) | Rwanda Life For a Child (LFAC) program/USAć AustraliaćRwanda | Cohort | 2004ā2012 | Age at diagnosis | 488 | 20.95 | 57.38 | 4.5 | NR | aHR |
Cheung et al.(2017) | YRDCYP/United Kingdom | Cohort | 1978ā2013 | Age at diagnosis | 5,498 | NR | 45.96 | NR | 17.42 | aHR |
Gomes et al. (2017) | BNHCS /Brazil | Cohort | 2014ā2015 | Age at diagnosis/diabetes duration | 986 | 28.5 | 54.4 | 15.9 | 16.1 | OR(calc) |
Rawshani et al. (2018) | the Swedish National Diabetes Register/Sweden | Cohort | 1998ā2012 | Age at onset | 27,195 | NR | 44.2 | 13.0 | 10.0 | OR(calc) |
Conway et al. (2018) | the Southern Community Cohort Study/USA | Cohort | 2002ā2009 | Age at diagnosis | 475 | 49.87 | 66.32 | 29.06 | 9.5 | OR(calc) |
Groop et al. (2018) | FinnDiane/Finland | Cohort | 1980ā2005 | Age at onset | 10,737 | 35.51 | 45.83 | 16.2 | 14.0 | OR(calc) |
Majaliwa et al. (2022) | CYLDM/ Tanzania | Cohort | 1991ā2004; 2005ā2010; 2011ā2019 | Age at diagnosis | 3,235 | NR | 49.2 | 5.0 | NR | OR(calc) |